Adding and Subtracting Mixed Numbers

When subtracting mixed numbers, you may have to borrow from the whole number and convert the whole number to fraction form.

When adding mixed numbers, you may end up with improper fractions which need to be converted to mixed number form.

Add. 7\frac{2}{3} + 1\frac{7}{15}
Subtract. 13\frac{1}{5} - 6\frac{11}{20}