# How do you add 16\frac { 4} { 5} + 51\frac { 9} { 10}?

$16 \frac{8}{10} + 51 \frac{9}{10}$
To add or subtract fractions the denominator must be the same. To do this in this case you can multiply $\frac{4}{5} \cdot \frac{2}{2}$ to match denominators. Then you add whole numbers and numerators.