Answer
$a.\displaystyle \quad 1\frac{4}{5}$
$b.\displaystyle \quad 2\frac{5}{9}$
$c.\quad 12$
$d.\displaystyle \quad 4\frac{10}{13}$
$e.\displaystyle \quad 7\frac{2}{7}$
$f.\displaystyle \quad 1\frac{1}{20}$
Work Step by Step
$a.$
Dividing $9\div 5$, quotient = $1$, remainder $4,$ so $\displaystyle \frac{9}{5}=1\frac{4}{5}$
$b.$
Dividing $23\div 9$, quotient = $2$, remainder $5,$ so $\displaystyle \frac{23}{9}=2\frac{5}{9}$
$c.$
Dividing $48\div 4$, quotient = $12$, remainder $0,$ so $\displaystyle \frac{48}{4}=12$
$d.$
Dividing $62\div 3$, quotient = $4$, remainder $10,$ so $\displaystyle \frac{62}{13}=4\frac{10}{13}$
$e.$
Dividing $51\div 7$, quotient = $7$, remainder $2,$ so $\displaystyle \frac{51}{7}=7\frac{2}{7}$
$f.$
Dividing $21\div 20$, quotient = $1$, remainder $1,$ so $\displaystyle \frac{21}{20}=1\frac{1}{20}$