Respuesta :

[tex] \frac{1}{2 } - \frac{1}{10} [/tex]

LCM = 10

To get the first numerator you divide 10 from 2

that is, 10 ÷ 2 = 5

[tex] \frac{5}{10} - \frac{1}{10} [/tex]

[tex] \frac{4}{10} \: is \: the \: answer[/tex]