Multiplying Fractions

Question 1:

25 72 × 24 25
25 1 72 3 × 24 1 25 1 = 1 3

Question 2:

3 14 × 7 15
3 1 14 2 × 7 1 15 5 = 1 10

Question 3:

50 81 × 27 80
50 5 81 3 × 27 1 80 8 = 5 24

Question 4:

5 63 × 21 25
5 1 63 3 × 21 1 25 5 = 1 15