Answer:
13 1/8 -9 6/7 = 3 15/56
Step-by-step explanation:
13 1/8 -9 6/7 = ?
convert to a common denominator:
56 works in this case
13 7/56 - 9 48/56 = ?
it's complicated to subtract 48/56 from 7/56 so let's convert 13 7/56 to 12 63/56
12 63/56 - 9 48/56 = 3 15/56
