They can help you find a common denominator by the bottoms of each fraction if the top ones don't have the same denominator.
Answer:
I need the dull question
Step-by-step explanation:
Answer: 2.5
Step-by-step explanation:
Answer:

Step-by-step explanation:
If the ruler is divided into 2 equal parts, divide 7 inches by 2
7/2 = 3.5 or 3