Combine fractions with similar denominators.

Add and .

Divide by .

Move the negative in front of the fraction.

Subtract from .

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

Multiply and .

Multiply by .

Combine the numerators over the common denominator.

Add and .

Move the negative in front of the fraction.

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Evaluate -2/7-3/8+1/4+2/7