Adding or Subtracting Fractions

+ 3/4 + 5/6 = ______

• 9/12

• 24/12

• 2 1/12

• 25/6

Jacob is baking two different cakes. One recipe needs 1/4 cup of sugar and the other needs 2/3 cup of sugar. How much sugar does Jacob need to make both cake recipes?

• More than 1/2 cup but less than 1 cup

• More than 1 cup but less than 2 cups

• Less than 1/2 cup

• More than 1/2 cup but less than 2/3 cup

What is the best estimate for the total pounds of paper collected by the 3rd, 4th, and 5th grades?

• 48

• 50

• 49

• 51

Caitlin had 1 quart of orange juice. She drank 2/5 of a quart. Her sister drank another 1/3 of a quart. How much orange juice is left?

• 1/2 of a quart

• 2/15 of a quart

• 4/5 of a quart

• 4/15 of a quart

Is the sum closer to 1/2 or 1? Estimate.

1/3 + 1/4

• 1

• 1/2

Is the sum less than 1?

• True

• False

When adding and subtracting fractions, which value needs to be the same in all values being added/subtracted?

• Numerator

• Denominator

What is the process of making two fractions with unlike denominators able to be added or subtracted called?

• Finding the least common multiple or least common denominator

• Addition

• Multiplication

• Reverse multiplication

What is the first step of adding or subtracting two fractions?

• Checking if the numerators are the same

• Checking if the denominators are the same or different

• Checking that the fractions are equal

• Adding or subtracting

• 9/7

• 2/3

• 3/2

• 7/9