Adding and Subtracting Mixed Numbers

$$2\frac{9}{10}\ +6\ \frac{1}{3}$$

$$6\ \frac{2}{4\ }-2\ \frac{2}{5}$$

$$3\ \frac{5}{8}\ +6\ \frac{1}{2}\ =$$

$$9\ \frac{3}{4}\ -\ 1\ \frac{1}{3}\ =$$

Savannah's backpack weighs $$6\ \frac{1}{4}$$ pounds. Alberto's backpack weighs $$5\ \frac{3}{4}$$ pounds. How much heavier is Savannah's backpack than Alberto's backpack?

$$3\ \frac{5}{6}$$ liters of blue paint + $$2\ \frac{4}{6}$$ liters of red paint

Ross has 6 yards of material. He bought $$2\ \frac{1}{3}$$ more yards. Then he used $$6\ \frac{5}{6}$$ yards. How many yards of material does he have left?

Grady has 5 yards of wrapping paper. He uses 2/3 yards to wrap a small gift and 2 2/3 yards to wrap a large gift. How much wrapping paper will Grady have left?

Each bar is 1 unit long. What is the sum? Options: 3 3/8, 3 7/8, 25/8, 3 5/8

Evaluate the expression (15 1/4 + 2 1/2) - 9 9/12 to get a whole number.