Question

68. Express 3/4
as a rational number with denominator:
4
(i) 36
(ii) - 80​

Answer 1

1) 3/4 , Already the denominator is 4

2) 3/4 , multiplying by 9

So it becomes 27/36

3) 3/4 , multiplying by - 20

So it becomes - 60/-80 .