1. Wednesday, 24 July 2019 Fractions
Evaluate
3/4 + 1/ /3 – 1/5
3/4 X 1/ /5 ÷ 3/4
Wednesday, 24 July Fractions

2. Fractions can only be added or subtracted if the numerators are the same.+ + =
3/5 + 1/5 = 4/5
Common
numerator

3. Fractions can only be added or subtracted if the numerators are the same.– – =
3/5 – 1/5 = 2/5
Common
numerator

4. +
1/4
1/3 +
= ?
1/4
1/3
1/3
1/4 = +
3/12 + 4/12 = 7/12

5. 1/3
1/4
3/12 + 8/12 = 11/12 + =
1/4 + 2/3 = ?
1 X 3
4 X 2 11 + = 3 + 8 =
4 X 3
4 X 3 12 12 12

6. 1/4 + 2/3 = ?
3 X 1
4 X 2 +
4 X 3
4 X 3 3 8 11 + = 12 12 12