Respuesta :

charlottekrist
What I do is converting 12/30 to a fraction with 10 in the button as 6/10,
so if you want to get 10 on the button you divide 30 with 3 and 12 with 3, so
12/30 = 4/10
then I compare it to 6/10
and see that 6/10 is bigger/greater than 4/10 (12/30)