Question

Reduce $\frac{51}{21}$ to the simplest form.

• A. $\frac{17}{8}$
• B. $\frac{17}{7}$
• C. $\frac{18}{7}$
• D. $\frac{21}{17}$

Answer 1

The correct option is B $\frac{17}{7}$

On dividing numerator and denominator of $\frac{51}{21}$ by 3, we get,
$\frac{\frac{51}{3}}{\frac{21}{3}}=\frac{17}{7}$
Note - we can also continuously divide the numerator and denominator by any common factor till it reduces to its simplest form.