Question

2/5 + 3/4 + 1/4

Answer 1

`2/5 + 3/4 + 1/4= 2/5 +(3/4 +1/4)= 2/5 + 1= 2/5 + 5/5 = 7/5`

Answer 2

\(\dfrac{2}{5}+\dfrac{3}{4}+\dfrac{1}{4}=\dfrac{2}{5}+1=\dfrac{2}{5}+\dfrac{5}{5}=\dfrac{7}{10}\)

Answer 3

\(\dfrac{2}{5}+\left(\dfrac{3}{4}+\dfrac{1}{4}\right)=\dfrac{2}{5}+\dfrac{4}{4}=\dfrac{2}{5}+1=\dfrac{2}{5}+\dfrac{5}{5}=\dfrac{7}{5}\)