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

2 answers:

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]2 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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Use PEMDAS for order of operations, it will save your life
Parenthesis Exponents Multiply Divide Add Subtract
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