24/15+32/12= list all the steps you do to find this amswer

1. The lowest common multiple between 15 and 12 is 60.
    So, the new denominator of the fraction become 60.
2. Because 15*4= 60 ; 12*5 =60
    For sustaining the balance, we should multiply 24 (the first molecule) to 4 times and multiply 12 (the second molecule) to 5 times.
   Like, 24*4 and 32*5
3.New denominator :60
   New molecules : 24*4 + 32*5 = 256
   Thus, 256/60
4.Ruduce of a  fraction : 256/60 = 64/15

Is a for each hour he works,his earnings go up by $4