21,996 views
25 votes
25 votes
12/21 + 18/21 - 14/21

User Bobface
by
2.5k points

1 Answer

7 votes
7 votes
Answer:

16/21

Step-by-step explanation:

Since all the denominators are 21, all the numerators can just be added together. If the denominators were different, you would have to find a common denominator.

So, just solve the equation of the top numbers!

12 + 18 - 14 = 16

So the answer is 16/21
User AndrewSB
by
2.8k points