Evaluate 5/7-1/5

Math
57-15
To write 57 as a fraction with a common denominator, multiply by 55.
57⋅55-15
To write -15 as a fraction with a common denominator, multiply by 77.
57⋅55-15⋅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⋅5-15⋅77
Multiply 7 by 5.
5⋅535-15⋅77
Multiply 15 and 77.
5⋅535-75⋅7
Multiply 5 by 7.
5⋅535-735
5⋅535-735
Combine the numerators over the common denominator.
5⋅5-735
Simplify the numerator.
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Multiply 5 by 5.
25-735
Subtract 7 from 25.
1835
1835
The result can be shown in multiple forms.
Exact Form:
1835
Decimal Form:
0.5142857‾
Evaluate 5/7-1/5

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