Hello.
Fractions can be added and subtracted only if they are like fractions.
Example:

We can subtract these fractions because they are like fractions (they have the same denominator)
Another Example:

We can add these fractions because they are like fractions.
Therefore, the answer is "like"
I hope it helps.
Have a nice day.

1 gal = 4 quarts
so
4 gal = 16 quarts
Don’t click the file they hack. but try using photo math it helps and solves/shows you how to do ur work.
Answer:
A 20:4
Step-by-step explanation:
20:4hdhahahashhdhrhrjrj