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STALIN [3.7K]
3 years ago
13

What is the answer for 2 5/7 - 7/8

Mathematics
2 answers:
enot [183]3 years ago
7 0
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
NikAS [45]3 years ago
3 0
19/7 - 7/8
19x8/7x8 - 7x7/8x7
152/56 - 49/56
103/56
1 47/56

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