First you choose a problem.
These fractions are improper fractions.
You need to find out what numbers go into both 3 and 9.
9 and 3 birth go into 18. 6x3= 18 and 9x2= 18
No the denominator is 18.
Now since you have a common denominator you are ready to add your fractions.
Now we have are fraction. But this fraction is improper. So now we have to make a whole number.
So now we see how many times 18 can go into 27. 18 can only go into 27 once.
So the answer is 1 and 1/2 .