# Evaluate 1 2/3*1/2-2/5

123⋅12-25
Convert 123 to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
(1+23)⋅12-25
Write 1 as a fraction with a common denominator.
(33+23)⋅12-25
Combine the numerators over the common denominator.
3+23⋅12-25
53⋅12-25
53⋅12-25
53⋅12-25
Multiply 53⋅12.
Multiply 53 and 12.
53⋅2-25
Multiply 3 by 2.
56-25
56-25
To write 56 as a fraction with a common denominator, multiply by 55.
56⋅55-25
To write -25 as a fraction with a common denominator, multiply by 66.
56⋅55-25⋅66
Write each expression with a common denominator of 30, by multiplying each by an appropriate factor of 1.
Multiply 56 and 55.
5⋅56⋅5-25⋅66
Multiply 6 by 5.
5⋅530-25⋅66
Multiply 25 and 66.
5⋅530-2⋅65⋅6
Multiply 5 by 6.
5⋅530-2⋅630
5⋅530-2⋅630
Combine the numerators over the common denominator.
5⋅5-2⋅630
Simplify the numerator.
Multiply 5 by 5.
25-2⋅630
Multiply -2 by 6.
25-1230
Subtract 12 from 25.
1330
1330
The result can be shown in multiple forms.
Exact Form:
1330
Decimal Form:
0.43‾
Evaluate 1 2/3*1/2-2/5

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