56/20 or 2 and 4/5
(2/5 + 8/15) / 2 = 7/15
(8/35) / (-2/7) = (8/35) * (-7/2) = -4/5
3/5 + 7/8 + 6/7 = 2 93/280
3/20
The sum of 2 2/3 and 4/5 is 3 7/15.
56/20 or 2 and 4/5
3/5+4/5=7/5=One and two fifths
around 4/7 or 5/9
27/20 or 2 and 7/20
(2/5 + 8/15) / 2 = 7/15
7/30 + 2/5 = 19/30
(8/35) / (-2/7) = (8/35) * (-7/2) = -4/5
7 4/5
2/7 is 10/35, 2/5 is 14/35, add these to get 24/35
3/5 + 7/8 + 6/7 = 2 93/280
3/20