Answer:
Ok so write them down and MAKE SURE THE DENOMINATOR is the same and whatever to do to the bottom you must do to the top
Explanation:
3/4+3/5 so then the LCM of both the numbers is 20 so it's 15/20+15/20=30/20 but then how many times does 30 got into 20 that's one how many is left 10 so the awnser is 1 10/20