`1/3 xx 1/4 + 1/3 xx 6/5 - 1/3`
`=1/3 xx 1/4 + 1/3 xx 6/5 - 1/3xx1`
`=1/3 xx (1/4 + 6/5 -1)`
`=1/3xx 9/20`
`= 9/60`
`= 3/20`
\(\dfrac{1}{3}\times\dfrac{1}{4}+\dfrac{1}{3}\times\dfrac{6}{5}-\dfrac{1}{3}\)
\(=\dfrac{1}{12}+\dfrac{6}{15}-\dfrac{1}{3}=\dfrac{15}{180}+\dfrac{72}{180}-\dfrac{1}{3}=\dfrac{87}{180}-\dfrac{1}{3}=\dfrac{29}{60}-\dfrac{1}{3}=\dfrac{29}{60}-\dfrac{20}{60}=\dfrac{9}{60}=\dfrac{3}{20}\)
`1/3xx1/4+1/3xx6/5 -1/3`
`=1/3xx1/4+1/3xx6/5-1/3.1=1/3xx(1/4+6/5-1)`
`=1/3xx9/20`
`=3/20`
`@Nae`