lets find $\frac{1}{2}+\frac{2}{5}$. first write the addition with a common denominator. then add…

lets find $\frac{1}{2}+\frac{2}{5}$. first write the addition with a common denominator. then add. $\frac{1}{2}+\frac{2}{5}=\frac{square}{square}+\frac{square}{square}=\frac{square}{square}$
Answer
Explanation:
Step1: Find common denominator
The common - denominator of 2 and 5 is (2\times5 = 10).
Step2: Rewrite fractions
(\frac{1}{2}=\frac{1\times5}{2\times5}=\frac{5}{10}), (\frac{2}{5}=\frac{2\times2}{5\times2}=\frac{4}{10}).
Step3: Add fractions
(\frac{5}{10}+\frac{4}{10}=\frac{5 + 4}{10}=\frac{9}{10})
Answer:
(\frac{1}{2}+\frac{2}{5}=\frac{5}{10}+\frac{4}{10}=\frac{9}{10})