Adding and Subtracting Fractions

What is the least common denominator for 1/3 and 3/4?

• 6
• 4
• 3
• 12

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. 

3/5 + 3/10

• 9/12

• 9/10

• 3/5

• 6/10

What is the sum of the following equation:

2/8 + 4/8 =

• 6/16

• 2/8

• 6/8

• 2/16

1/3 + 1/9

• 4/9

• 9/12

• 6/15

• 3/12

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

2/3 +2/9

• 4/9

• 8/9

• 4/12

• 4/18

What is the least common denominator for 6/7 and 1/2?

• 12
• 14
• 7
• 6

What is the sum of the following equation in lowest terms:
2/12 + 3/12 =

• 1/2
• 5/12
• 6/12
• 5/24

1/6 + 1/12

• 3/12

• 3/8

• 2/12

• 1/4