123⋅12-25

A mixed number is an addition of its whole and fractional parts.

(1+23)⋅12-25

Add 1 and 23.

Write 1 as a fraction with a common denominator.

(33+23)⋅12-25

Combine the numerators over the common denominator.

3+23⋅12-25

Add 3 and 2.

53⋅12-25

53⋅12-25

53⋅12-25

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

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

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