Evaluate -3/4-1/5

Math
-34-15
To write -34 as a fraction with a common denominator, multiply by 55.
-34⋅55-15
To write -15 as a fraction with a common denominator, multiply by 44.
-34⋅55-15⋅44
Write each expression with a common denominator of 20, by multiplying each by an appropriate factor of 1.
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Multiply 34 and 55.
-3⋅54⋅5-15⋅44
Multiply 4 by 5.
-3⋅520-15⋅44
Multiply 15 and 44.
-3⋅520-45⋅4
Multiply 5 by 4.
-3⋅520-420
-3⋅520-420
Combine the numerators over the common denominator.
-3⋅5-420
Simplify the numerator.
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Multiply -3 by 5.
-15-420
Subtract 4 from -15.
-1920
-1920
Move the negative in front of the fraction.
-1920
The result can be shown in multiple forms.
Exact Form:
-1920
Decimal Form:
-0.95
Evaluate -3/4-1/5

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