Answer: 14 1/8
Step-by-step explanation: To add mixed numbers, first add the fractions. In this case, we have two fractions
and
and these fractions have unlike denominators. We need to find a common denominator for both of these fractions to be able to add.
Least Common Denominator:
=
![(4)/(8)](https://img.qammunity.org/2020/formulas/mathematics/high-school/3i8mr1agujino9g4u7r6lra9sbj7cg9l3d.png)
=
![(5)/(8)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/vxddhg228csxjy2evrh0lqiufb2suv2tlh.png)
12 4/8 + 1 5/8 = 13 9/8
Notice that 9/8 is an improper fraction so we can change it to a mixed number.
9/8 = 1 1/8
13 + 1 and 1/8 = 14 1/8