Question

1. using appropriate properties:

(i) 4/7×(-1/5)+2/7×3/5-3/2×4/7

(ii) 1/5×(-3/2)+4/5×(-2/7)-1/6×(-2/7)


plz.. give fast answer. ​

Answer 1

i)-4/35+6/35-6/7

=2/35-6/7

=(2-30)/35

=28/35

ii)-3/10-8/35+1/21

=(-7-16)/70+1/21

=-23/70+1/21

=(10-69)/210

=59/210