1/4 + 1/3 = 3/12 + 4/12 (12 is the least common multiple of 3 and 4) = 7/12
1/3 + 1/4= ___ 1/3 + 1/4= 4/12 + 3/12= 7/12
1/4 = 3/12, 3/12 + 1/12 = 4/12 = 1/3
2/3 + 1/4 + 2/3 = 4/3 + 1/4 = (16/12) + (3/12) = 19/12 = 1 and 7/12
3/12 + 2/12 + 4/12 = 9/12 = 3/4
1/6 + 1/3 + 1/4 = 2/12 + 4/12 + 3/12 = 9/12 = 3/4
1/4 + 1/3 = 3/12 + 4/12 (12 is the least common multiple of 3 and 4) = 7/12
1/3 + 1/4= ___ 1/3 + 1/4= 4/12 + 3/12= 7/12
1/4 = 3/12, 3/12 + 1/12 = 4/12 = 1/3
1/3 + 1/4 = 4/12 + 3/12 = 7/12
2/3 + 1/4 + 2/3 = 4/3 + 1/4 = (16/12) + (3/12) = 19/12 = 1 and 7/12
3/12 + 2/12 + 4/12 = 9/12 = 3/4
2/12 + 2/12 + 4/12 + 9/12 + 6/12 = 23/12 or 1 and 11/12
1/12 + 1/4 = 1/12 + 3/12 = 4/12= 1/3
1/4 + 1/12 = 3/12 +1/12 = 4/12 = 1/3
3/4+1/3= 9/12+4/12= 13/12
-1