It is: 21/36 = 7/12 simplified
7/12
It is: 36/42 = 6/7 simplified
100 over 36 simplified = 25/9
80 over 36 simplified: 20 over 9 and as a mixed number it's 2 2/9
Yes, to 7/12
14/36
It simplified to 5/9.
72/42 = 12/7
4 over 144 simplified = 1 over 36
No.
If you mean 21/36 then it is 7/12