Simplify 3/4-3/10

Math
34-310
To write 34 as a fraction with a common denominator, multiply by 55.
34⋅55-310
To write -310 as a fraction with a common denominator, multiply by 22.
34⋅55-310⋅22
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⋅5-310⋅22
Multiply 4 by 5.
3⋅520-310⋅22
Multiply 310 and 22.
3⋅520-3⋅210⋅2
Multiply 10 by 2.
3⋅520-3⋅220
3⋅520-3⋅220
Combine the numerators over the common denominator.
3⋅5-3⋅220
Simplify the numerator.
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Multiply 3 by 5.
15-3⋅220
Multiply -3 by 2.
15-620
Subtract 6 from 15.
920
920
The result can be shown in multiple forms.
Exact Form:
920
Decimal Form:
0.45
Simplify 3/4-3/10

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