Question

write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.
21 yr : 49 yr

Explanation:

Step1: Convert ratio to fraction

$\frac{21}{49}$

Step2: Find GCD of 21 and 49

$\gcd(21,49)=7$

Step3: Divide numerator/denominator by GCD

$\frac{21\div7}{49\div7}=\frac{3}{7}$

Answer:

$\frac{3}{7}$