The sum of 1/8 and 3/8 is 1/2
The sum of 1/8 and 3/4 is 7/8.
The sum of -1/15 and -3/5 is -2/3
The sum of -3/5 and 1/7 is -16/35
3/6 = 1/2, 12/12 = 1 So their sum is 1 1/2
The sum of 1/8 and 3/8 is 1/2
The sum of 3/4 and 1/9 is 31/36
The sum of 3/8 and 1/4 is 5/8.
The sum of 1/8 and 3/4 is 7/8.
The sum of -1/15 and -3/5 is -2/3
The sum of 3/4 and 7/12 = 1 1/3
The sum of 2/3 and 1/2 is 1 1/6
the sum would be 1/4 + 3/5 = 5/20 + 12/20 = 17/20
The sum of -3/5 and 1/7 is -16/35
3/6 = 1/2, 12/12 = 1 So their sum is 1 1/2
The sum of 1 3/4 and 1 3/4 is 3 1/2 or 3.5
The sum of 4/3 and 4/7 is 1 19/21