Answer:
20 1/15
Step-by-step explanation:
4x4 = 20,
1/3 x 1/5 = 1/15
18 1/5
4 1/3 × 4 1/5
4 1/3 = 13/3
4 1/5 = 21/5
13/3 × 21/5
13 × 7/5 ................by reducing 3 and 21
91/5
