step 1
Find the sum
73/12 + 14/3
Remember that
14/3=(4/4)14/3=56/12
substitute
73/12+56/12=129/12
step 2
Find the difference
73/12-56/12=17/12
step 3
Divide the sum by the difference
129/12 : 17/12=129/17
step 4
Convert to mixed number
129/17=119/17+10/17=7+10/17=7 10/17
