Respuesta :


[tex] \frac{2}{5} [/tex]
just find something to divide 42 and 105 by that is equal.
[tex]42 \div 21 = 2 \\ \\ \\ 105 \div 21 = 5 \\ \\ \\ [/tex]
add two numbers together in a fraction


[tex] \frac{2}{5} [/tex]
hope this helped!