Answer:

Step-by-step explanation:
To have a common denominator of 48, we need to solve for numerator and denominator!
If you multiply the denominator by 6 just to get to 48, you must multiply it to the numerator as well.
If you multiply the denominator by 16 just to get to 48, you must multiply it to the numerator as well.
Then we have those results in the line: 
Then we added those fractions to get to 44/48 and simplify it by 4