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

Math
(-98-89)-(-98-9)
Simplify each term.
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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.
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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.
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Multiply -1 by -1.
-98-89+1(818)
Multiply 818 by 1.
-98-89+818
-98-89+818
-98-89+818
Combine fractions.
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Combine fractions with similar denominators.
-9+818+-89
Simplify the expression.
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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
Simplify the numerator.
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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)

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