Evaluate -2/5+8/15

-25+815

Move the negative in front of the fraction.

-25+815

To write -25 as a fraction with a common denominator, multiply by 33.

-25⋅33+815

Write each expression with a common denominator of 15, by multiplying each by an appropriate factor of 1.

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Multiply 25 and 33.

-2⋅35⋅3+815

Multiply 5 by 3.

-2⋅315+815

Combine the numerators over the common denominator.

-2⋅3+815

Simplify the numerator.

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Multiply -2 by 3.

-6+815

Add -6 and 8.

215

The result can be shown in multiple forms.

Exact Form:

215

Decimal Form:

0.13‾

Evaluate -2/5+8/15