11.25
4.3902
22.5
0.5278
0.0074
180
13.8462
4.2857
36
180 / 3 / 2 / 1 = 30
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.
20
115.75