Adding fractions

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction
• Rewrite the fractions in the simplest form. 
• Find a common denominator. 
• Make each fraction into an improper faction. 

2/4 is the same as ____

• 3/4
• 1
• 1/4
• 1/2

• 5/14
• 3/7
• 5/7
• 5/14

Add these Fractions

• 2/4
• 3/4
• 4/8
• 1

The number on the top of a fraction is called what?

• numerator
• denominator
• fractionator
• equivalent

What do you need to have when adding unlike fractions?

• common denominator
• common numerator
• common numerator and denominator

50/100 + 25/100 =

• 100/75
• 100/100
• 75/100
• 52/100

A construction company is digging a pit to build the foundation of a house. At the end of the first day, the company had hauled away 1/6 of a truckload of dirt. On the second day, they hauled away 2/6 of a truckload. How many truckloads did they haul away in all?

• 1/4 truckload
• 1/2 truckload
• 3/4 truckload
• 1/3 truckload

Solve.  2/3 + 7/12

• 3/5
• 9/15
• 15/12
• 5/12