Evaluate -1/4+4/7

-14+47

To write -14 as a fraction with a common denominator, multiply by 77.

-14⋅77+47

To write 47 as a fraction with a common denominator, multiply by 44.

-14⋅77+47⋅44

Write each expression with a common denominator of 28, by multiplying each by an appropriate factor of 1.

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Multiply 14 and 77.

-74⋅7+47⋅44

Multiply 4 by 7.

-728+47⋅44

Multiply 47 and 44.

-728+4⋅47⋅4

Multiply 7 by 4.

-728+4⋅428

Combine the numerators over the common denominator.

-7+4⋅428

Simplify the numerator.

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Multiply 4 by 4.

-7+1628

Add -7 and 16.

928

The result can be shown in multiple forms.

Exact Form:

928

Decimal Form:

0.32142857…

Evaluate -1/4+4/7