b) 12

× 23

= 12

12

13

13

13

3 a) Divide the square to show that 23

× 34

is equal to 612

b) Mo says 23

× 34

is equal to 12

Is Mo correct?

Explain your answer.

Multiply fractionsby fractions

1 Dexter works out 12

× 13

using a grid method.

12

12

13

13

13

Explain how this shows 12

× 13 =

16

2 Shade the diagrams to show the fraction multiplications.

Complete the multiplications.

a) 12

× 14

= 12

12

14

14

14

14

© White Rose Maths 2019

4 Complete the calculations.

a) 14

× 15

= e) 34

× 15

=

b) 15

× 16

= f) 25

× 56

=

c) = 17

× 18

g) 57

× 58

=

d) 18

× 19

× 110

= h) 38

× 29

× 310

=

5 Use the diagram to complete the calculations.

a) 13

of 14 =

b) 23

of 34 =

c) What do you notice about your answers?

Talk to your partner.

6 Fill in the missing numbers.

a) 110

= 12

× 1 b) 15

× 3

= 215

7 Fill in the missing numbers.

a) 110

= 4

× 5

b) 14

= 4

× 5

© White Rose Maths 2019

8 Calculate the area of the shapes.

a) b)

Area = m2 Area = m2

9 Work out the area of the shaded part.

23 m

45 m

910 m

910 m

26 m

37 m

110 m

110 m