Verified Answer :

32 ÷ 4= 8
68 ÷ 4=17    
32/68=8/17
 
22 ÷ 2=11
28 ÷ 2
=14
 
22/28=11/14

21 ÷ 7=3
49 ÷ 7
=7
21/49=3/7

Answer:

Step-by-step explanation:

Given fractions are \(\frac{32}{68}, \frac{22}{28}, \frac{21}{49}\)

We will reduce them one by one.

\(\frac{32}{68}\) ⇒ \(\frac{\frac{32}{4} }{\frac{68}{4}}\) = \(\frac{8}{17}\)   [Dividing numerator and denominator by 4 ]

\(\frac{22}{28}\) ⇒ \(\frac{\frac{22}{2} }{\frac{28}{2}}\) = \(\frac{11}{14}\)   [Dividing numerator and denominator by 2 ]

\(\frac{21}{49}\) ⇒ \(\frac{\frac{21}{7} }{\frac{49}{7}}\) = \(\frac{3}{7}\)   [Dividing numerator and denominator by 7]