Exam 4: Decimals

First estimate the answer. Then add or subtract to findthe exact answer. Write the answer as a mixed number. - $2 \frac{3}{5}+4 \frac{5}{6}$

Write < or > to make a true statement. - $\frac{11}{12}--\frac{8}{9}$

Add or subtract. Write the answer in lowest terms. - $\frac{1}{9}+\frac{5}{9}$

Add or subtract. Write the answer in lowest terms. - $\frac{1}{4}+\frac{3}{8}$

Add or subtract. Write the answer in lowest terms. - $\frac{13}{20}-\frac{7}{20}$

When is the least common multiple of two numbers equal to one of the numbers? Give an example showing this.

Add or subtract. Write the answer in lowest terms. - $\frac{9}{10}-\frac{3}{10}$

First estimate the answer. Then add or subtract to findthe exact answer. Write the answer as a mixed number. - $16-9 \frac{7}{8}$

Simplify each of the following. Use the order of operations as needed. - $\frac{3}{4}+\frac{1}{3} \cdot \frac{9}{16}$

Add or subtract. Write the answer in lowest terms. - $\frac{7}{8}-\frac{5}{6}$

Find the least common multiple of each set of numbers. - $5,7,9$

First estimate the answer. Then add or subtract to findthe exact answer. Write the answer as a mixed number. - $7 \frac{1}{4}-5 \frac{2}{3}$

Find the least common multiple of each set of numbers. - $72,30,27$

Find the least common multiple of each set of numbers. - $9,11,3$

Add or subtract. Write the answer in lowest terms. - $\frac{8}{15}-\frac{2}{15}$

Add or subtract. Write the answer in lowest terms. - $\frac{7}{8}-\frac{1}{6}$

Find the least common multiple of each set of numbers. - $9,12,4,6$

Find the least common multiple of each set of numbers. - $18,10,12$

Add or subtract. Write the answer in lowest terms. - $\frac{11}{14}-\frac{3}{14}$

Add or subtract. Write the answer in lowest terms. - $\frac{7}{18}+\frac{1}{18}$