15/20*100
= (15*100)/20
= 1500/20 = 75
Now we have: 15 is what percent of 20 = 75
Question: 15 is what percent of 20?
Percentage solution with steps:
Step 1: We make the assumption that 20 is 100 % since it is our output value.
Step 2: We next represent the value we seek with x.
Step 3: From step 1, it follows that 100 % = 20.
Step 4: In the same vein, x % = 15 .
Step 5: This gives us a pair of simple equations:
100 % = 20(1).
x % = 15(2).
Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have
100 % / x % = 20/15
Step 7: Taking the inverse (or reciprocal) of both sides yields
x/100 = 15/20
x = 75 %
Therefore, 15 is 75 % of 20.
What grade is 15 correct out of 20 possible?
(15/20) x 100 = 75.00%
Then we find the 75.00% using the table below to find your grade: 97% to ∞% = A+ 93% to 96.99% = A 90% to 92.99% = A- 87% to 89.99% = B+ 83% to 86.99% = B 80% to 82.99% = B- 77% to 79.99% = C+ 73% to 76.99% = C 70% to 72.99% = C- 67% to 69.99% = D+ 63% to 66.99% = D 60% to 62.99% = D- 00% to 59.99% = F As you can see from the table above, your grade for getting 15 correct out of 20 possible is as follows:C
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What grade is 15 correct out of 21 possible?
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15/20 as a percent value (as a percentage)?
A fraction consists of two numbers and the fraction bar:
15/20
The number above the fraction bar is the numerator: 15
The number under the fraction bar is the denominator: 20
To get the value of the fraction, divide the numerator by the denominator:
The value = 15 ÷ 20
'Percent (%)' means 'out of one hundred':
p% = p 'out of one hundred',
p% = p/100 = p ÷ 100.
15/20 =
15 ÷ 20 =
0.75
A quick note:
100/100 = 100 ÷ 100 = 100% = 1
Multiply a number by the fraction 100/100,
... and its value doesn't change.
0.75 =
0.75 × 100/100 =
(0.75 × 100)/100 =
75/100 =
75%
1) Calculate the value of the fraction.
2) Multiply this number by 100.
3) Add the percent sign %.
The symbols used: % percent, ÷ division, × multiplication, = the equal sign, / the fraction bar, ≈ approximately the same. Writing numbers: comma ',' - as a thousands separator, point '.' as a decimal mark.
20: 15*100 =
( 20*100): 15 =
2000: 15 = 133.33
Now we have: 20 is what percent of 15 = 133.33
Question: 20 is what percent of 15?
Percentage solution with steps:
Step 1: We make the assumption that 15 is 100% since it is our output value.
Step 2: We next represent the value we seek with {x}.
Step 3: From step 1, it follows that {100\%}={ 15}.
Step 4: In the same vein, {x\%}={ 20}.
Step 5: This gives us a pair of simple equations:
{100\%}={ 15}(1).
{x\%}={ 20}(2).
Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have
\frac{100\%}{x\%}=\frac{ 15}{ 20}
Step 7: Taking the inverse (or reciprocal) of both sides yields
\frac{x\%}{100\%}=\frac{ 20}{ 15}
\Rightarrow{x} = {133.33\%}
Therefore, { 20} is {133.33\%} of { 15}.
It's very common when learning about fractions to want to know how convert a fraction like 15/20 into a percentage. In this step-by-step guide, we'll show you how to turn any fraction into a percentage really easily. Let's take a look!
Want to quickly learn or show students how to convert 15/20 to a percentage? Play this very quick and fun video now!
Before we get started in the fraction to percentage conversion, let's go over some very quick fraction basics. Remember that a numerator is the number above the fraction line, and the denominator is the number below the fraction line. We'll use this later in the tutorial.
When we are using percentages, what we are really saying is that the percentage is a fraction of 100. "Percent" means per hundred, and so 50% is the same as saying 50/100 or 5/10 in fraction form.
So, since our denominator in 15/20 is 20, we could adjust the fraction to make the denominator 100. To do that, we divide 100 by the denominator:
100 ÷ 20 = 5
Once we have that, we can multiple both the numerator and denominator by this multiple:
15 x 5 / 20 x 5 = 75 / 100
Now we can see that our fraction is 75/100, which means that 15/20 as a percentage is 75%.
We can also work this out in a simpler way by first converting the fraction 15/20 to a decimal. To do that, we simply divide the numerator by the denominator:
15/20 = 0.75
Once we have the answer to that division, we can multiply the answer by 100 to make it a percentage:
0.75 x 100 = 75%
And there you have it! Two different ways to convert 15/20 to a percentage. Both are pretty straightforward and easy to do, but I personally prefer the convert to decimal method as it takes less steps.
I've seen a lot of students get confused whenever a question comes up about converting a fraction to a percentage, but if you follow the steps laid out here it should be simple. That said, you may still need a calculator for more complicated fractions (and you can always use our calculator in the form below).
If you want to practice, grab yourself a pen, a pad, and a calculator and try to convert a few fractions to a percentage yourself.
Hopefully this tutorial has helped you to understand how to convert a fraction to a percentage. You can now go forth and convert fractions to percentages as much as your little heart desires!
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What is 15 out of 20 as a percentage?
75.00%
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