Question

Q3: Find the reciprocal of 12/5; -7/9; and 2/3 x 9/4

Answer 1

Answer:

1》 12/5 - 7/9

=12/5 - 9/7

=LCM of 5 and 7 = 35

{( 12×7 ) - ( 9 × 5 )} upon 35

= ( 84 - 45 ) upon 35

= 39/35

Step-by-step explanation:

2》 2/3 × 9/4

= 3/2