2×3+12

To write 2×3 as a fraction with a common denominator, multiply by 22.

2×3⋅22+12

To write 12 as a fraction with a common denominator, multiply by 33.

2×3⋅22+12⋅33

Multiply 2×3 and 22.

2x⋅23⋅2+12⋅33

Multiply 3 by 2.

2x⋅26+12⋅33

Multiply 12 and 33.

2x⋅26+32⋅3

Multiply 2 by 3.

2x⋅26+36

2x⋅26+36

Combine the numerators over the common denominator.

2x⋅2+36

Multiply 2 by 2.

4x+36

Add (2x)/3+1/2