23-16

To write 23 as a fraction with a common denominator, multiply by 22.

23⋅22-16

Multiply 23 and 22.

2⋅23⋅2-16

Multiply 3 by 2.

2⋅26-16

2⋅26-16

Combine the numerators over the common denominator.

2⋅2-16

Multiply 2 by 2.

4-16

Subtract 1 from 4.

36

36

Factor 3 out of 3.

3(1)6

Cancel the common factors.

Factor 3 out of 6.

3⋅13⋅2

Cancel the common factor.

3⋅13⋅2

Rewrite the expression.

12

12

12

Factor 2/3-1/6