Question

simply (10/21×-7/5) -(2/3×9/-16) +(-4/15+-6/16)​

Answer 1

( 10/21 x - 7/5 ) - ( 2/3 x - 9/16 ) +

( - 4/15 x - 6/16 )

( - 2/3 ) - ( - 3/8 ) + ( 1/10 )

- 2/3 + 3/8 + 1/10

Lcm = 120

( - 2 x 40 + 3 x 15 + 1 x 12 ) / 120

( - 80 + 45 + 12 ) / 120

Answer ➡ - 23/120