`3xx4/15+2xx4/15-5xx4/15`
`=4/15xx(3+2-5)`
`=4/15xx0`
`=0`
`3 xx 4/15 + 2 xx 4/15 - 5 xx 4/15`
`= 4/15 xx (3 + 2 - 5)`
`= 4/15 xx 0`
`= 0`
\(3\times\dfrac{4}{15}+2\times\dfrac{4}{15}-5\times\dfrac{4}{15}\)
\(=\dfrac{4}{15}\times\left(3+2-5\right)\)
\(=\dfrac{4}{15}\times0\)
\(=0\)