## Basic College Mathematics (10th Edition)

$\frac{11}{12}$ of his total income
Given, Jaime Villagranna earns $\frac{7}{12}$ of his income installing kitchen cabinets for Home Depot and $\frac{4}{12}$ of his income by operating his own cabinet business To find his total income comes from the two jobs we need to add the two incomes $\frac{7}{12}$ + $\frac{4}{12}$ They are like fractions Step 1 Add the numerators to find the numerator of the sum Step 2 Write the denominator of the like fractions as the denominator of the sum $\frac{7 + 4}{12}$ = $\frac{11}{12}$ $\frac{11}{12}$is his total income comes from the two jobs