subtract.\n$\frac{1}{2}-\frac{1}{10}=$

Explanation:

Step1: Find a common denominator

The common - denominator of 2 and 10 is 10. Rewrite $\frac{1}{2}$ with a denominator of 10. Since $2\times5 = 10$, then $\frac{1}{2}=\frac{1\times5}{2\times5}=\frac{5}{10}$.

Step2: Subtract the fractions

$\frac{5}{10}-\frac{1}{10}=\frac{5 - 1}{10}=\frac{4}{10}$.

Step3: Simplify the fraction

$\frac{4}{10}=\frac{4\div2}{10\div2}=\frac{2}{5}$.

Answer:

$\frac{2}{5}$