313-138

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

3+13-138

Add 3 and 13.

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

3⋅33+13-138

Combine 3 and 33.

3⋅33+13-138

Combine the numerators over the common denominator.

3⋅3+13-138

Simplify the numerator.

Multiply 3 by 3.

9+13-138

Add 9 and 1.

103-138

103-138

103-138

103-138

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

103-(1+38)

Add 1 and 38.

Write 1 as a fraction with a common denominator.

103-(88+38)

Combine the numerators over the common denominator.

103-8+38

Add 8 and 3.

103-118

103-118

103-118

To write 103 as a fraction with a common denominator, multiply by 88.

103⋅88-118

To write -118 as a fraction with a common denominator, multiply by 33.

103⋅88-118⋅33

Multiply 103 and 88.

10⋅83⋅8-118⋅33

Multiply 3 by 8.

10⋅824-118⋅33

Multiply 118 and 33.

10⋅824-11⋅38⋅3

Multiply 8 by 3.

10⋅824-11⋅324

10⋅824-11⋅324

Combine the numerators over the common denominator.

10⋅8-11⋅324

Multiply 10 by 8.

80-11⋅324

Multiply -11 by 3.

80-3324

Subtract 33 from 80.

4724

4724

Combine 3 1/3-1 3/8