Evaluate 5/7-2/5

Math
57-25
To write 57 as a fraction with a common denominator, multiply by 55.
57⋅55-25
To write -25 as a fraction with a common denominator, multiply by 77.
57⋅55-25⋅77
Write each expression with a common denominator of 35, by multiplying each by an appropriate factor of 1.
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Multiply 57 and 55.
5⋅57⋅5-25⋅77
Multiply 7 by 5.
5⋅535-25⋅77
Multiply 25 and 77.
5⋅535-2⋅75⋅7
Multiply 5 by 7.
5⋅535-2⋅735
5⋅535-2⋅735
Combine the numerators over the common denominator.
5⋅5-2⋅735
Simplify the numerator.
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Multiply 5 by 5.
25-2⋅735
Multiply -2 by 7.
25-1435
Subtract 14 from 25.
1135
1135
The result can be shown in multiple forms.
Exact Form:
1135
Decimal Form:
0.3142857‾
Evaluate 5/7-2/5

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