Evaluate 3/8-2/7

Math
38-27
To write 38 as a fraction with a common denominator, multiply by 77.
38⋅77-27
To write -27 as a fraction with a common denominator, multiply by 88.
38⋅77-27⋅88
Write each expression with a common denominator of 56, by multiplying each by an appropriate factor of 1.
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Multiply 38 and 77.
3⋅78⋅7-27⋅88
Multiply 8 by 7.
3⋅756-27⋅88
Multiply 27 and 88.
3⋅756-2⋅87⋅8
Multiply 7 by 8.
3⋅756-2⋅856
3⋅756-2⋅856
Combine the numerators over the common denominator.
3⋅7-2⋅856
Simplify the numerator.
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Multiply 3 by 7.
21-2⋅856
Multiply -2 by 8.
21-1656
Subtract 16 from 21.
556
556
The result can be shown in multiple forms.
Exact Form:
556
Decimal Form:
0.08928571…
Evaluate 3/8-2/7

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