Question

1 3/8 ×3/5 -3/5 ×1/8

Answer 1

1  3/8 * 3/5 - 3/5 * 1/8 = 3/5 * (1  3/8 - 1/8) = 3/5 * 1  2/8 = 3/5 * 1  1/4 = 3/5 * 5/4 = 3/4 

Answer 2

1 3/8•3/5-3/5•1/8=(1 3/8-1/8)•3/5=1 2/8•3/5=10/8•3/5=30/40=3/4