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

Add and .

Write as a fraction with a common denominator.

Combine the numerators over the common denominator.

Add and .

Combine fractions with similar denominators.

Add and .

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Write as a fraction with a common denominator.

Combine the numerators over the common denominator.

Add and .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Mixed Number Form:

Simplify 1-1/8+1 5/8