Class 6

Chapter 7: Fractions

To add or subtract fractions with different denominators, first find a common denominator. Some fractions have neat decimal forms: 1/2 = 0.5, 1/4 = 0.25, 3/4 = 0.75.

Learning outcomes

Add, subtract and compare fractions
Convert between fractions and decimals

Activities

Fraction-bar matching cards

Worked examples

Read through these first, then try the practice below.

Example 1 — Add unlike fractions
Find 1/2 + 1/3.
Solution: Common denominator 6: 1/2 = 3/6 and 1/3 = 2/6. Sum = 5/6.
Example 2 — Fraction to decimal
Write 3/4 as a decimal.
Solution: 3 ÷ 4 = 0.75.

Self-do practice

Question 1 of 3 · Score 0/0

What is 1/4 + 1/4? (write like 1/2)