The LessonA fraction of a number lets us find part of a number. Imagine 3/5 (three-fifths) of a class of 25 students love mathematics. 15 students (3/5 of 25) love mathematics.
How to Find the Fraction of a NumberTo find the fraction of a number you have to multiply the fraction by the number:
Hint: 'of' means '×' when finding a fraction of a number.
A Real Example of How to Find the Fraction of a Number
QuestionWhat is 3⁄5 of 25?
Write a fraction of a number as a fraction × a number, like the formula above. In our example, the fraction is 3⁄5 and the number is 25.
Multiply the answer (0.6) by the number (25).
0.6 × 25 = 15
Answer:We have found 3⁄5 of 25.
Lesson SlidesThe slider below shows another real example of finding a fraction of a number. Open the slider in a new tab
Fraction of Number =
When you see a question like:
Fraction × Number
Find 1⁄2 of 10Translate of into ×:
Find 1⁄2 × 10
Order of × and ÷ Doesn't MatterIn the example shown on this page, you:
- find numerator ÷ denominator, then
- × the number.
- find numerator × the number, then
- ÷ by the denominator.