Question

Using appropriate properties find 2 /5 × (– 3/ 7 ) – 1 /6 × 3 /2 + 1/ 14 × 2 /5 .​

Answer 1

hope it will help you.

(2/5 * -3/7) - ( 1/6*3/2) + (1/14 * 2/5)

=(-6/35) - (1/4) + 1/35

LCM of 35,4,& 35

= -24-35+4/140

= -55/140

= -11/28.