Adding Fractions Subtracting Mixed Fractions

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144

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 must you do first in order to add or subtract fractions with unlike denominators?

• add the numerators

• add the denominators

• find a common denominator

• find a common numerator

5/7 + 1/28 = 

• 6/35

• 12/196

• 21/28

• 1

Solve this equation using the least common denominator.
¼ + ½

• 3/4

• 2/8

• 6/4

• 6/8

⁷/₈ - ²/₈

• ⁵/₁₆

• ⁹/₈

• ⁶/₈

• ⁵/₈

Solve this mixed number equation:
1⅔ + 1⅚

• 3 1/2

• 2 7/6

• 3 7/6

• 2 7/9

3 1/4 - 1 4/5

• 2 3/5

• 2 1/4

• 1 8/20

• 1 17/20

Monique wants to bake a cake. She needs 2 1/8 cups of sugar, and 1 5/24 cups of flour. How many cups of ingredients will she use in all?

• 3 8/24 cups

• 3 3/32 cups

• 3 8/32 cups

• 3 3/24 cups