Subtract 4/5-3/10

Math
45-310
To write 45 as a fraction with a common denominator, multiply by 22.
45⋅22-310
Write each expression with a common denominator of 10, by multiplying each by an appropriate factor of 1.
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Multiply 45 and 22.
4⋅25⋅2-310
Multiply 5 by 2.
4⋅210-310
4⋅210-310
Combine the numerators over the common denominator.
4⋅2-310
Simplify the numerator.
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Multiply 4 by 2.
8-310
Subtract 3 from 8.
510
510
Cancel the common factor of 5 and 10.
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Factor 5 out of 5.
5(1)10
Cancel the common factors.
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Factor 5 out of 10.
5⋅15⋅2
Cancel the common factor.
5⋅15⋅2
Rewrite the expression.
12
12
12
The result can be shown in multiple forms.
Exact Form:
12
Decimal Form:
0.5
Subtract 4/5-3/10

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