What percent is 12 out of 15

Solution and how to convert 12 / 15 into a percentage

Fraction to Percent Conversion Summary

We encourage you to check out our introduction to percentage page for a little recap of what percentage is. You can also learn about fractions in our fractions section of the website. Sometimes, you may want to express a fraction in the form of a percentage, or vice-versa. This page will cover the former case. Luckily for us, this problem only requires a bit of multiplication and division. We recommend that you use a calculator, but solving these problems by hand or in your head is possibly too! Here's how we discovered that 12 / 15 = 80% :

• Step 1: Divide 12 by 15 to get the number as a decimal. 12 / 15 = 0.8
• Step 2: Multiply 0.8 by 100. 0.8 times 100 = 80. That's all there is to it!

When are fractions useful?

Fractions are commonly used in everyday life. If you are splitting a bill or trying to score a test, you will often describe the problem using fractions. Sometimes, you may want to express the fraction as a percentage.

Convert 12 / 15 into a percentage or decimal

Fraction Conversion Table

Find the Denominator

A percentage is a number out of 100, so we need to make our denominator 100!

If the original denominator is 15, we need to solve for how we can make the denominator 100.

To convert this fraction, we would divide 100 by 15, which gives us 6.67.

Find the Numerator

Now, we multiply 6.67 by 12, our original numerator, which is equal to 80

Convert your Fraction to a Percent

Remember, a percentage is any number out of 100. If we can balance 12 / 15 with a new denominator of 100, we can find the percentage of that fraction!

Help your students convert 12 / 15 through further understanding:

• What is the numerator of 12 / 15?
• What is the denominator of 12 / 15?
• When would you use 12 / 15 as a fraction? Give examples
• When would you use 12 / 15 as a decimal? Give examples
• When would you use 12 / 15 as a percentage? Give examples
• What are three other fractions that convert to 80%?
• Ask your students to think of three real life examples of when to use fractions vs percentages.
• Which fraction is larger: 12 / 15 or 80 / 121?

Menu

• p% of A = ?
• p% of ? = A
• ?% of A = B
• fractions a/b = ?%
• relative change
• p% = ? number
• (1 + p%) × n
• (1 - p%) × n

- 12/15 = ?% How much is - 12 out of 15 written as a percent value? The fraction (ratio) converted to percentage

- 12/15 as a percent value (as a percentage)

Detailed calculations below

Fractions: brief introduction

A fraction consists of two numbers and the fraction bar:

- 12/15

The number above the fraction bar is the numerator: - 12

The number under the fraction bar is the denominator: 15

To get the fraction's value, divide the numerator by the denominator:

The value = - 12 ÷ 15

Percent, p%: short introduction

'Percent (%)' means 'out of one hundred':

p% = p 'out of one hundred',

p% = p/100 = p ÷ 100.

How to convert a fraction to a percentage:

1) Calculate the value of the fraction.

2) Multiply this number by 100.

3) Add the percent sign %

Convert the fraction to a percentage

1. Calculate the value of the fraction.

To get the fraction's value, divide the numerator by the denominator:

- 12/15 =

- 12 ÷ 15 =

- 0.8

A quick note:

100/100 = 100 ÷ 100 = 100% = 1

Multiply a number by the fraction 100/100
... and its value doesn't change.

n × 100/100 = n × 1 = n, any number n

2. The calculation of the percentage:

- 0.8 =

- 0.8 × 100/100 =

(- 0.8 × 100)/100 =

- 80/100 =

- 80%

The answer:

- 12/15 = - 80% Divide the numerator by the denominator, multiply the result by 100 and 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.

The latest 5 numbers, fractions or ratios converted to percentages

Online calculator: convert integer or decimal numbers, fractions, ratios and proportions to percentages

Converting integer or decimal numbers, fractions, proportions and ratios to percentages

It's very simple to write a fraction (a proportion or a ratio) or a decimal number as a percentage.

To convert a fraction:

• - start by dividing the numerator by the denominator
• - then multiply the result by 100%
• By multiplying the result by 100% the value we've got at the previous step is not modified, since 100% = 100/100 = 1
• By multiplying by 100% only the form is being changed - it's written as a percentage.

It's even simpler to write an integer or decimal number as a percentage:

• - simply multiply the number by 100%

Examples

• 1/4 = 0.25 = 0.25 × 100% = (0.25 × 100)% = 25%;
• 7/8 = 0.875 = 0.875 × 100% = (0.875 × 100)% = 87.5%
• 1.3/9.4 ≈ 0.138297 = 0.138297 × 100% = (0.138297 × 100)% = 13.8297%
• 4.3 = 4.3 × 100% = (4.3 × 100)% = 430%;

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