# Multiply 3 1/2*1 2/4 312⋅124
Convert 312 to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
(3+12)⋅124
Add 3 and 12.
To write 3 as a fraction with a common denominator, multiply by 22.
(3⋅22+12)⋅124
Combine 3 and 22.
(3⋅22+12)⋅124
Combine the numerators over the common denominator.
3⋅2+12⋅124
Simplify the numerator.
Multiply 3 by 2.
6+12⋅124
Add 6 and 1.
72⋅124
72⋅124
72⋅124
72⋅124
Convert 124 to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
72⋅(1+24)
Add 1 and 24.
Write 1 as a fraction with a common denominator.
72⋅(44+24)
Combine the numerators over the common denominator.
72⋅4+24
Add 4 and 2.
72⋅64
72⋅64
72⋅64
Cancel the common factor of 2.
Factor 2 out of 6.
72⋅2(3)4
Cancel the common factor.
72⋅2⋅34
Rewrite the expression.
7⋅34
7⋅34
Combine 7 and 34.
7⋅34
Multiply 7 by 3.
214
The result can be shown in multiple forms.
Exact Form:
214
Decimal Form:
5.25
Mixed Number Form:
514
Multiply 3 1/2*1 2/4

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