Fraction of an Hour

Free interactive math game: Fraction of an Hour — ¾ hour = 45 min. Part of the Units & Time category on MathKite.

Example problems

Taken from the generator that powers this exercise. A fresh set appears every time the page is opened, and the printable worksheet holds ten of them.

  1. 5/6 of an hour equals how many minutes? 5/6
  2. Anna exercised for 5/6 of an hour. How many minutes did she train? 5/6
  3. A school lesson lasts 3/4 of an hour. How many minutes is that? 3/4
  4. A school lesson lasts 1/2 of an hour. How many minutes is that? 1/2

About this exercise

Turning fractions of an hour into minutes and back again.

How to solve it

An hour holds 60 minutes, so multiply the fraction by 60.

Worked example

Three quarters of an hour is 60 x 3 : 4 = 45 minutes.

Common mistake

Treating a quarter of an hour as 25 minutes. The fraction applies to 60, not to 100.