1/2 + 1/7 = 7/14 + 2/14 = 9/14
4/14 or 2/7
-21/14 + -1/14 = -22/14 or -1 and 4/7
5/7 + 1/2 = 10/14 + 7/14 = 17/14 = 13/14
2/7 + 3/14 = 4/14 + 3/14 = 7/14 = 1/2
1/7 + 1/14 = 3/14= 1/7 + 1/14= 2/14 + 1/14= 3/14
7/14 + 12/14 = 19/14 or 1 and 5/14
7 over 2 or 3 and 1/2
.5 or 1/2
1/7 + 3/14: you must have a common denomiantor! here, that's 14: 1(2)/14 + 3(1) /14 2/14 + 3/14 (2+3)/14 5/14.
3 over 14 (Three fourteenths)
1/7 + 2/14 = 2/7