0.8
20 divided by 16 is 1.25
20
16
It is: 9/16-9/20 = 9/80.
20312.5
This is subtraction of fractions. Hence 9/16 - 9/20 => [9(20) - 9(16)] / (16 x 20) [180 - 144] / 320 [36] /320 Cancel down by '4' 9/80 The answer ; this will not reduce any further.
16/20 x 100 = 80
9 - 20 / 4 + 16 = 9 - 5 + 16 = 20
-20
16
20
0.0488