What is 18/80 as a percent?

What is 18/80 as a percent?


18/80 is 22.5% 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 18/80 means 22.5 %.

Method 1 to convert 18/80 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 18 80 as a percent?

    First divide 18 by 80: 18 ÷ 80 = 0.225

    Then multiply by 100: 0.225 × 100 = 22.5

    Answer: 18 80 = 22.5%

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

    Method 2 to convert 18/80 as a percent ?

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

    Example: Convert 18 80 as a percent?

    Multiply 18 by 100 first, then divide by 80

    1800 ÷ 80 = 22.5

    Answer: 18 80 = 22.5%

    (Remember that "%" sign!)

    Method 3 to convert 18/80 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 18 80 as a percent?

    First divide 18 by 80:

    18 ÷ 80 = 0.225

    Move the decimal point 2 places to the right

    0.225%
    0.225%

    2 places

    22.5%

    Remember to add the "%" sign: 22.5%

    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 %

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