91Ó°ÊÓ

Find Prime Factorizations and Least Common Multiples

In the following exercises, find the prime factorization.

$86.$

In the following exercise, simplify:$\frac{5}{9}-\frac{1}{6}$

In the following exercise, simplify:$-\frac{7}{15}-\frac{y}{4}$

In the following exercise, simplify:$-\frac{3}{8}-\frac{x}{11}$

In the following exercise, simplify:$\frac{11}{12a}.\frac{9a}{16}$

In the following exercise, simplify:$\frac{10y}{13}.\frac{8}{15y}$

In the following exercise, simplify:$\frac{2^3+4^2}{{\left({\displaystyle \frac{2}{3}}\right)}^2}$

In the following exercise, simplify:$\frac{3^3-3^2}{{\left({\displaystyle \frac{3}{4}}\right)}^2}$

In the following exercise, simplify:$\frac{{\left({\displaystyle \frac{3}{5}}\right)}^2}{{\left({\displaystyle \frac{3}{7}}\right)}^2}$

In the following exercise, simplify:$\frac{{\left({\displaystyle \frac{3}{4}}\right)}^2}{{\left({\displaystyle \frac{5}{8}}\right)}^2}$