Practice Fraction of a Number in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

Quick Recap

Finding a fractional part of a whole number by multiplying the fraction by that number.

\frac{3}{4} of 20 means split 20 into 4 equal groups (5 each), then take 3 groups: 3 \times 5 = 15.

Example 1

easy
Find \frac{3}{4} of 28.

Example 2

medium
A school has 360 students. \frac{5}{9} of them play a sport. How many students play a sport?

Example 3

easy
A bag holds 45 marbles. \frac{2}{5} of them are red. How many marbles are red?

Example 4

hard
A shop has \2400 in sales. \frac{3}{8} is spent on materials, and \frac{1}{6}$ of the remainder is set aside for rent. How much money is set aside for rent?