Is 3/7 and 10/21 proportional ? 15 points

Answer:
NOT proportional.
Step-by-step explanation:
Get a common denominator of 21 by multiplying 7 and 3 by 3.
[tex]\frac{3}{7}(\frac{3}{3})=\frac{9}{21}[/tex]
When both fractions have the same denominator, their numerators are different. Therefore, they are NOT proportional.