Найдите произведение 3/5 * 7/8 5/12 * 8/25

Question

Найдите произведение
3/5 * 7/8
5/12 * 8/25

Answer 1

3/5•7/8=21/40
5/12•8/25=2/15

Answer 2

3/5*7/8=3*7/5*8=21/40
5/12*8/25=5*8/12*25=40/300