638-458

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

6+38-458

Add 6 and 38.

To write 6 as a fraction with a common denominator, multiply by 88.

6⋅88+38-458

Combine 6 and 88.

6⋅88+38-458

Combine the numerators over the common denominator.

6⋅8+38-458

Simplify the numerator.

Multiply 6 by 8.

48+38-458

Add 48 and 3.

518-458

518-458

518-458

518-458

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

518-(4+58)

Add 4 and 58.

To write 4 as a fraction with a common denominator, multiply by 88.

518-(4⋅88+58)

Combine 4 and 88.

518-(4⋅88+58)

Combine the numerators over the common denominator.

518-4⋅8+58

Simplify the numerator.

Multiply 4 by 8.

518-32+58

Add 32 and 5.

518-378

518-378

518-378

518-378

Combine the numerators over the common denominator.

51-378

Subtract 37 from 51.

148

Factor 2 out of 14.

2(7)8

Cancel the common factors.

Factor 2 out of 8.

2⋅72⋅4

Cancel the common factor.

2⋅72⋅4

Rewrite the expression.

74

74

74

The result can be shown in multiple forms.

Exact Form:

74

Decimal Form:

1.75

Mixed Number Form:

134

Subtract 6 3/8-4 5/8