Operations with Rational Numbers

Simplify

• 5/9

• 6/9

• 23/20 or 1 3/20

• 24/20 or 1 1/5

Simplify

• 7/5

• 11/15

• 7/10

• 1/2

Simplify

• 7/14 or 1/2

• 12/45 or 4/15

• 7/45

• 12/14 or 6/7

Simplify

• 56/56 or 1

• 15/8

• 49/64

• 15/7

 $3\ \frac{2}{5}\ \cdot\ 6\ \frac{2}{3}$  

• 22  2/3

• 18  4/5

• 9  4/5

• I do not know

 $2\ \frac{2}{3}\div3\ \frac{3}{7}$  

• 8/9

• 7/9

• 6   6/21 or 6 2/7

• 6  5/21