What is the answer for 2 5/7 - 7/8
2 answers:
Change the mixed leading number into an improper fraction...a b/c=(ac+b)/c
19/7-7/8 the least common multiple of the denominators is 56 so:
(19/7)(8/8)-(7/8)(7/7)
(152-49)/56
103/56 now we can change back into a mixed number...
(56+47)/56
1 47/56
19/7 - 7/8
19x8/7x8 - 7x7/8x7
152/56 - 49/56
103/56
1 47/56
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