Change it all to common demoniators so
7/8 = 84/96 (I multiplied both the numerator and denominator by 12)
11/12 = 88/96 (I multiplied both the numerator and denominator by 8)
Therefore
7/8 + 11/12 = 84/96 + 88/96 = 172/96
Simplify to get 43/24 or 1 and 19/24
Expressed as a proper fraction in its simplest form, 11/12 - 9/20 = 7/15
5/8 + 11/12 = 148/96 or 37/24 or 113/24
12 over 15
1 1/3 or 4/3
(5/6) + (3/4) = (10/12) + (9/12) = 19/12 = 1 and 7/12
719/24
5 over 8 as a fraction plus 7 over 12 = 15/24
12/11 = 11/11
11 over 12 is larger
11/12 is greater.
1 11/12
11/12 + 11/12 = 22/12 = 1 and 5/6
The fraction 11/12 cannot be reduced any more.
11 over 12 is greater. 9/10=0.9 11/12=0.92
9/11 − 5/12 = 53/132
11 over 12
(2/3) + (7/12) = (8/12) + (7/12) = 15/12 = 5/4 = 1.25