Multiplying Mixed Numbers

Question 1:

1 31 32 ×3 3 7
63 9 32 4 × 24 3 7 1 = 27 4 = 6 3 4

Question 2:

2 2 5 × 7 16
12 3 5 × 7 16 4 = 21 20 = 1 1 20

Question 3:

7 7 8 × 8 63
63 1 8 1 × 8 1 63 1 = 1 1 = 1

Question 4:

4 1 5 ×5 5 7
21 3 5 1 × 40 8 7 1 = 24 1 = 24