Answer:
1 4/35
Step-by-step explanation:
.get the common denominator which would be 35 so multiply 3/5 by 7 and you get 21/35. Now multiply 5/7 by 5 and you get 25/35. And multiply -1/5 by 7 and get -7/35.
.21/35+25/35+-7/35= 39/35 or 1 4/35
