1/5 plus 1/7 plus 3/10 is equal to 0.642857
-(1/4) + (5/7) = 0.464285714
6 over 7 of course !
5/21 + 1/7 = 56/147 or 8/21
.5 or 1/2
1/5 plus 1/7 plus 3/10 is equal to 0.642857
1 over 7
5 over 7...
-(1/4) + (5/7) = 0.464285714
6 over 7 of course !
7/10
1/7 + 1/2 + 5/28 = 4/28 + 14/28 + 5/28 = 23/28
7/8 + 1/5 = 43/40 or 13/40
5/21 + 1/7 = 56/147 or 8/21
.5 or 1/2
5 over 8 + 7 over 8 = 12 over 8 or 1 1/2
The sum of -3/5 and 1/7 is -16/35