15/45 as a decimal and a percentage
15/45
= 0.3 = 33.3%
15/45 means 15 out of 45 equal parts. As a decimal it is 0.33…, and as a percentage 33.33…%.
Ways to write it
- Decimal
- 0.3
The digits under the line repeat forever. - Percentage
- 33.3%
- Simplest form
- 1/3
- As a division
- 15 ÷ 45
- Equivalent fractions
- 2/6 = 3/9 = 4/12 = 5/15
- Compared with one half
- Less than 1/2
- Reciprocal
- 45/15
- 15/45 of 90
- 30
How to work it out
- Divide the top number by the bottom number: 15 ÷ 45 = 0.33….
- To make a percentage, multiply by 100: 0.33… × 100 = 33.33…%.
- To simplify, divide the top and bottom by 15, their highest common factor: 15 ÷ 15 = 1 and 45 ÷ 15 = 3, so 15/45 = 1/3.
Quick check
Is 15/45 more or less than 1/2?
Show the answer
Less than 1/2
What is 15/45 of 90?
Show the answer
30
15/45 = ?/90
Show the answer
30
Practise with a game
Frequently asked questions
What is 15/45 as a decimal?
15/45 as a decimal is 0.33….
What is 15/45 as a percentage?
15/45 as a percentage is 33.33…%.
What is 15/45 in its simplest form?
15/45 in its simplest form is 1/3.