Question

write the fraction $\frac{42}{49}$ in simplest form.

Explanation:

Step1: Find the GCD of 42 and 49

The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42. The factors of 49 are 1, 7, 49. The greatest - common divisor (GCD) of 42 and 49 is 7.

Step2: Divide both numerator and denominator by GCD

$\frac{42\div7}{49\div7}=\frac{6}{7}$

Answer:

$\frac{6}{7}$