\(\dfrac{2}{5}+\dfrac{20}{30}=\dfrac{12}{30}+\dfrac{20}{30}=\dfrac{32}{30}=\dfrac{16}{15}\)
\(\dfrac{12}{30}+\dfrac{20}{30}=\dfrac{32}{30}=\dfrac{16}{15}\)
\(\dfrac{2}{5}+\dfrac{20}{30}=\dfrac{12}{30}+\dfrac{20}{30}=\dfrac{32}{30}=\dfrac{16}{15}\)
2/5+20/30=12/30+20/30=16/15