12 7/15
13 and 7/15
15 and two thirds plus four fifths = one two fiftenth
twelve fifteenths or four fifths
2. 3/5
It is: 112/15 or 7 and 7/15
53/30 or 1 23/30
0.9083333
Thirteen fifths
-10/15 - 12/15 = -22/15
3.8 + 2.9 = 6.7
too hard
The sum of 2 2/3 and 4/5 is 3 7/15.