Here you go!
I used the long division method,
A answer could be 19 divided by 3
This is how you add fractions..
I have solved it step-by-step. If you understand this, you'll know how to subtract, too.
If you don't understand, message me :)
Answer:
pls dont kill me for wacky lines. this shall just give you a basic idea. the important part is the 90° angle