Math topics Review

 $\frac{10}{100}$  

 $\frac{90}{100}$  

 $\frac{9}{100}$  

 $\frac{72}{100}$  

$4\ \frac{7}{20}$

$2\ \frac{17}{20}$

$2\ \frac{7}{10}$

$2\ \frac{13}{20}$

 $\frac{10}{50}$  

 $\frac{1}{4}$  

 $\frac{2}{10}$  

 $\frac{5}{25}$  

200

170

169

168.5

$12\ \frac{6}{15}$

$16\ \frac{13}{15}$

$8\ \frac{4}{15}$

$1\ \frac{1}{2}$

140

29

168

210

4 x 3 x 4

12 x 5

4 x 3 x 5

15 x 4

$1\ \frac{2}{4}$

$1\ \frac{1}{4}$

18

24

1/18

1/9

2

3

$\frac{33}{40}$

$\ \frac{7}{40}$

$\frac{32}{40}$

$\frac{17}{40}$