Question

what number should be added to -3/5 to get 2/3

Answer 1

-3/5 +x =2/3
x=2/3+3/5
x=10+9/15
x=19/15 is ur answer

Answer 2

Let x be the unknown number.

-3/5+x=2/3
(-3+5x)*3=10
-9+15x=10
15x=19
x=19/15