Question

which expression uses a common denominator to rewrite $\frac{1}{12}+\frac{1}{4}$? $\frac{1}{12}+\frac{3}{12}$ $\frac{1}{12}+\frac{1}{12}$ $\frac{12}{12}+\frac{4}{4}$ $\frac{12}{4}+\frac{12}{3}$

Explanation:

Step1: Find common denominator

The common - denominator of 12 and 4 is 12. Since \(\frac{1}{4}=\frac{1\times3}{4\times3}=\frac{3}{12}\).

Step2: Rewrite the sum

\(\frac{1}{12}+\frac{1}{4}=\frac{1}{12}+\frac{3}{12}\).

Answer:

\(\frac{1}{12}+\frac{3}{12}\)