Evaluate 1/5-1/20

Math
15-120
To write 15 as a fraction with a common denominator, multiply by 44.
15⋅44-120
Write each expression with a common denominator of 20, by multiplying each by an appropriate factor of 1.
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Multiply 15 and 44.
45⋅4-120
Multiply 5 by 4.
420-120
420-120
Combine the numerators over the common denominator.
4-120
Subtract 1 from 4.
320
The result can be shown in multiple forms.
Exact Form:
320
Decimal Form:
0.15
Evaluate 1/5-1/20

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