What is the sum of 4/10 , 37/100 and 12/100?

Step-by-step explanation:

   They have to have the same denominators so we will multiply 10 by 10 to get to a hundred since the two fractions have the same denominator

* =  

Now add them  

=  

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9

do your own work and don"t cheat.

step-by-step explanation: