# Multiply 3 9/10*2 1/10 3910⋅2110
Convert 3910 to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
(3+910)⋅2110
Add 3 and 910.
To write 3 as a fraction with a common denominator, multiply by 1010.
(3⋅1010+910)⋅2110
Combine 3 and 1010.
(3⋅1010+910)⋅2110
Combine the numerators over the common denominator.
3⋅10+910⋅2110
Simplify the numerator.
Multiply 3 by 10.
30+910⋅2110
Add 30 and 9.
3910⋅2110
3910⋅2110
3910⋅2110
3910⋅2110
Convert 2110 to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
3910⋅(2+110)
Add 2 and 110.
To write 2 as a fraction with a common denominator, multiply by 1010.
3910⋅(2⋅1010+110)
Combine 2 and 1010.
3910⋅(2⋅1010+110)
Combine the numerators over the common denominator.
3910⋅2⋅10+110
Simplify the numerator.
Multiply 2 by 10.
3910⋅20+110
Add 20 and 1.
3910⋅2110
3910⋅2110
3910⋅2110
3910⋅2110
Multiply 3910⋅2110.
Multiply 3910 and 2110.
39⋅2110⋅10
Multiply 39 by 21.
81910⋅10
Multiply 10 by 10.
819100
819100
The result can be shown in multiple forms.
Exact Form:
819100
Decimal Form:
8.19
Mixed Number Form:
819100
Multiply 3 9/10*2 1/10

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