# Combine 3 1/3-1 3/8 313-138
Convert 313 to an improper fraction.
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
Convert 138 to an improper fraction.
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
Write each expression with a common denominator of 24, by multiplying each by an appropriate factor of 1.
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
Simplify the numerator.
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

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