Adding and Subtracting Fractions with Unlike Denominators

When adding and subtracting fractions you must first find a ______ ___________.

Solve the equation: $$\frac{5}{6}-\frac{2}{3}$$

Make $$\frac{3}{4}$$ using only unit fractions.

$$\frac{2}{4}+\frac{3}{8}$$

What fraction of the pizza is left if the whole pizza is considered as 1? Options: 1, $$\frac{2}{3}$$ , $$\frac{3}{4}$$ , $$\frac{1}{4}$$

Solve the equation: $$\frac{4}{6}-\frac{1}{2}$$

$$\frac{1}{2}+\frac{1}{6}$$ - What is the first step to solve this equation?

$$\frac{9}{15}-\frac{2}{5}$$

Once you have a common denominator you can combine the _________