-812

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

-(8+12)

To write 8 as a fraction with a common denominator, multiply by 22.

-(8⋅22+12)

Combine 8 and 22.

-(8⋅22+12)

Combine the numerators over the common denominator.

-8⋅2+12

Simplify the numerator.

Multiply 8 by 2.

-16+12

Add 16 and 1.

-172

-172

-172

The result can be shown in multiple forms.

Exact Form:

-172

Decimal Form:

-8.5

Mixed Number Form:

-812

Reduce the Fraction -8 1/2