Subtract (reduce to lowest terms if necessary): 13 1/7 - 5 5/21

Question

Quizplus · Accepted Answer

Convert to Improper Fractions Method: Convert 13 1/7 and 5 5/21 to improper fractions, then find the lowest common denominator [21] and subtract. Convert the answer to a mixed fraction.
92/7 - 110/21 276/21 - 110/21 = 166/21 = 7 19/21
Borrowing Method: . Since 3 is smaller than 5, borrow (which is 1)from the 13, making it a 12. Thus, the problem becomes
 11eb6926_6ed8_39d8_bb3a_c71fbcc614cf_TB8249_00 11eb6926_6ed8_39d9_bb3a_6f542b9128c8_TB8249_00 11eb6926_6ed8_39da_bb3a_c5748035b8a6_TB8249_00

Subtract (Reduce to Lowest Terms If Necessary): 13 1/7 -