Question

reduce the rational number to its lowest terms
\frac{12}{21}
\frac{12}{21}=\square
(type an integer or a simplified fraction.)

Explanation:

Step1: Find GCD of 12 and 21

The greatest common divisor (GCD) of 12 and 21 is 3.

Step2: Divide numerator and denominator by GCD

$\frac{12 \div 3}{21 \div 3} = \frac{4}{7}$

Answer:

$\frac{4}{7}$