312÷523

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

3+12523

Add 3 and 12.

To write 3 as a fraction with a common denominator, multiply by 22.

3⋅22+12523

Combine 3 and 22.

3⋅22+12523

Combine the numerators over the common denominator.

3⋅2+12523

Simplify the numerator.

Multiply 3 by 2.

6+12523

Add 6 and 1.

72523

72523

72523

72523

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

725+23

Add 5 and 23.

To write 5 as a fraction with a common denominator, multiply by 33.

725⋅33+23

Combine 5 and 33.

725⋅33+23

Combine the numerators over the common denominator.

725⋅3+23

Simplify the numerator.

Multiply 5 by 3.

7215+23

Add 15 and 2.

72173

72173

72173

72173

Multiply the numerator by the reciprocal of the denominator.

72⋅317

Multiply 72 and 317.

7⋅32⋅17

Multiply 7 by 3.

212⋅17

Multiply 2 by 17.

2134

2134

The result can be shown in multiple forms.

Exact Form:

2134

Decimal Form:

0.61764705…

Evaluate 3 1/2÷5 2/3