Question

1 2/5 * 2 5/7 - 1 2/5 * 3/14

Answer 1

1 2/5 * 2 5/7 - 1 2/5 * 3/14 = 1 2/5(19/7-3/14)= 1 2/5 * 36/14= 7/5 * 18/7=
(7*18)/(5*7)=18/5=3 3/5