Step-by-step explanation:
First, convert the mixed fraction into an improper fraction:
[tex]1\dfrac{2}{5} = \dfrac{7}{5}[/tex]
Rewrite 2 as 2/1 and then cross-multiply to combine:
[tex]\dfrac{2}{1} - \dfrac{7}{5} = \dfrac{(2)(5) - (7)(1)}{(1)(5)} = \dfrac{10 - 7}{5} = \dfrac{3}{5}[/tex]
