(-98-89)-(-98-9)

To write -9 as a fraction with a common denominator, multiply by 88.

-98-89-(-98-9⋅88)

Combine -9 and 88.

-98-89-(-98+-9⋅88)

Combine the numerators over the common denominator.

-98-89–9-9⋅88

Simplify the numerator.

Multiply -9 by 8.

-98-89–9-728

Subtract 72 from -9.

-98-89–818

-98-89–818

Move the negative in front of the fraction.

-98-89–818

Multiply –818.

Multiply -1 by -1.

-98-89+1(818)

Multiply 818 by 1.

-98-89+818

-98-89+818

-98-89+818

Combine fractions with similar denominators.

-9+818+-89

Simplify the expression.

Add -9 and 81.

728+-89

Divide 72 by 8.

9+-89

Move the negative in front of the fraction.

9-89

9-89

9-89

To write 9 as a fraction with a common denominator, multiply by 99.

9⋅99-89

Combine 9 and 99.

9⋅99-89

Combine the numerators over the common denominator.

9⋅9-89

Multiply 9 by 9.

81-89

Subtract 8 from 81.

739

739

The result can be shown in multiple forms.

Exact Form:

739

Decimal Form:

8.1‾

Mixed Number Form:

819

Evaluate (-9/8-8/9)-(-9/8-9)