Answer:
17/50
Explanation:
Hi!
How you want to go about this is first make the 3/10 into 30/100 to make it match up with 4/100.
You want the denominators to both be 100 so they match.
So you would do this by finding 10 x what gets you to 100.
You could eyeball it and see that 10 x 10 = 100 or go backwards (right to left horizontally) and divide 100 / 10 to get 10.
But now what we have is :
30/100 + 4/100
All you have to do is add the first numbers and simplify if possible.
30 + 4 = 34
So :
34/100
To simplify we can divide both numbers by 2 :
34/2
100/2
17/50
And that is our final answer.
I hope this helped!
If you have any questions do let me know!