The sum of 1/45 and 4/45 is 1/9
27/45 + 20/45 = 1 and 2/45
45 over 1 over 4 = (45/1)/4 = 45/4 = 11.25 = 1125%
6/45 + 20/ 45 = 26/45
It is: 2/9 plus 4/5 = 46/45
1/8 plus 1/4 plus 1/2 = 7/8 or 0.875
180/4 = 45/1 or 45
45 / 4 is equal to 11.25 or 11 1/4
1
((2 plus (1 over 4)) plus 3) plus (7 over 8) = 6.12500
28
1 and 1 over 20
2 over 3 plus 4 1 over 4 = 59/12 or 411/12