lets find $\frac{1}{2}-\frac{2}{5}$. first write the subtraction with a common denominator. then subtract…

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