3-223

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

3-(2+23)

Add 2 and 23.

To write 2 as a fraction with a common denominator, multiply by 33.

3-(2⋅33+23)

Combine 2 and 33.

3-(2⋅33+23)

Combine the numerators over the common denominator.

3-2⋅3+23

Simplify the numerator.

Multiply 2 by 3.

3-6+23

Add 6 and 2.

3-83

3-83

3-83

3-83

To write 3 as a fraction with a common denominator, multiply by 33.

3⋅33-83

Combine 3 and 33.

3⋅33-83

Combine the numerators over the common denominator.

3⋅3-83

Multiply 3 by 3.

9-83

Subtract 8 from 9.

13

13

Combine 3-2 2/3