Question

a). {3/8*(-1/4)}+(3/8*3/4)

b) {7/9*1/4} - {7/9*(-3/4)}​

Answer 1

Step-by-step explanation:

a {3/8×-1/4}+(3/8×3/4)

= -3/32+9/32

= -3+9/32

= 6/32

= 3/16

b {7/9*1/4} - {7/9*(-3/4)}

= 7/36-(-21/36)

= 7+21/36

= 28/36

= 7/9