What is 31/40 as a percent?

31/40 is 77.5% as a percent

How to convert fractions as percent

What Are Percentage?

Percent is derived from Latin word "per centum" which means "by a hundred". Percent can be thought of a fraction where denominator is always 100, and we add % sign to the fraction. For example, fraction 31/40 means 77.5 %.

Method 1 to convert 31/40 as a percent ?

Steps:

Divide the top of the fraction by the bottom,

Then multiply the result by 100 and read off the answer !

Example: Convert 31 40 as a percent?

First divide 31 by 40: 31 ÷ 40 = 0.775

Then multiply by 100: 0.775 × 100 = 77.5

Answer: 31 40 = 77.5%

(Remember to put the "%" sign so people know it is "per 100")

Method 2 to convert 31/40 as a percent ?

OR you can multiply the top by 100 first then divide by the bottom number:

Example: Convert 31 40 as a percent?

Multiply 31 by 100 first, then divide by 40

3100 ÷ 40 = 77.5

Answer: 31 40 = 77.5%

(Remember that "%" sign!)

Method 3 to convert 31/40 as a percent ?

Or Move the Decimal 2 Places

After dividing, instead of multiplying by 100 we can just move the decimal point 2 places to the right, then add the %

Example: Convert 31 40 as a percent?

First divide 31 by 40:

31 ÷ 40 = 0.775

Move the decimal point 2 places to the right

0.775%

2 places

77.5%

Remember to add the "%" sign: 77.5%

Example of fractions in real life - 1

Lets say in a maths test, you score 19 marks out of 20, it means you scored 95%.

Example of fractions in real life - 2

Lets say in a school with 250 students, 100 are boys, it means that the percentage of boys in school is 40 %

What is 31/40 as a percent?