Evaluate 1/5-8/9

Math
15-89
To write 15 as a fraction with a common denominator, multiply by 99.
15⋅99-89
To write -89 as a fraction with a common denominator, multiply by 55.
15⋅99-89⋅55
Write each expression with a common denominator of 45, by multiplying each by an appropriate factor of 1.
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Multiply 15 and 99.
95⋅9-89⋅55
Multiply 5 by 9.
945-89⋅55
Multiply 89 and 55.
945-8⋅59⋅5
Multiply 9 by 5.
945-8⋅545
945-8⋅545
Combine the numerators over the common denominator.
9-8⋅545
Simplify the numerator.
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Multiply -8 by 5.
9-4045
Subtract 40 from 9.
-3145
-3145
Move the negative in front of the fraction.
-3145
The result can be shown in multiple forms.
Exact Form:
-3145
Decimal Form:
-0.68‾
Evaluate 1/5-8/9

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