4/15+13/15=17/15 or 1 2/15
7/10+6/10= 13/10 or 1 3/10
9/10+9/10=18/10 or 1 8/10 or 1 4/5
4/5+3/5=7/5 or 1 2/5.
To find the answer just add the numerators together and leave the denominators as is because they are the same. Hope this helps, mark as brainliest!
