Use equivalent fractions to rewrite the fraction sum with a common denominator.
+
6 __ 8
3 __ 8
+
9 __ 8
= = 1
1 __ 8
3 __ 4 3 __ 4
3 __ 5 7 __ 9
7 ___ 20 5 ___ 14
1 __ 8 3 __ 8
1 ___ 10
1 __ 2 1 __ 2
(a)
(b)
(c)
+
+
+
1
1 __ 3
(a)
(b)
(c)
−
−
−
2
3 Talk to a partner about what mistake Carl has made.
7 ___ 10
9 ___ 15
2 __ 5
+
=
4 Use diagram to help you solve these calculations.
7 ___ 10
5 __ 6
5 ___ 12
(a) 1 2 __ 3
(b) 2 1 __ 5
1 __ 4
(c)
+ 1
+
+ 3
176
9781380050717__text.indb 176
28/04/2022 12:13
Made with FlippingBook Learn more on our blog