3/2
7 over 10 can not be reduced!
15/72 = 5/24 reduced
11/15 cannot be reduced further.
It is: 5/12 reduced
15 over 30 reduced to lowest terms is 1/2
The fraction 4/15 cannot be reduced any more.
19/10 is reduced and the answer is 1 and 9/10
NO
No.
No.
No