Question

40 points plz I need help

what is the answer to (- 4 1/15 - (13 1/10)
I know it seems easy but I'm little confused, plz help

Answer 1

-103/6 = 17 1/6

Explanation:

-4 1/15 = -61/15

13 1/10=131/10

-61/15*2/2=-122/30

131/10*3/3=393/30

-122/30-393/30=-515/30=-103/6