Question

simplify this is most important

Answer 1

here is ur ans.hope it helps u

Answer 2

$( \frac{1}{2} \times \frac{1}{4} ) - (1 \times \frac{1}{4} ) + ( \frac{ - 7}{18} + ( \frac{7}{ - 15} )$

=( 1/8)-(1/4) +(-7*5+7*6/90)

1/8-1/4+(-35+42/90)

1-2/8 + 7/90

7/90 - 1/8

= -17/360