Add and Subtract Mixed Numbers and Fractions

After changing the denominator, what do you need to do to the numerator?

• Nothing

• Multiply the numerator by the same number as the denominator

• Double it

What is the least common denominator for this problem? 3/16 + 2/4 =

• 24

• 8

• 16

• 32

3 2/7 + 8 1/3

When adding and subtracting fractions, what needs to be the same?

• the numerator

• the denominator

• nothing

• everything

• 9  5/7
• 5  2/3
• 10  1/5
• 11  5/6

• 6   4/10
• 6
• 12    8/10
• 5    8/10

Solve this mixed number equation:
1⅔ + 1⅚

• 3 1/2

• 2 7/6

• 3 7/6

• 2 7/9

Christine baked a pumpkin pie.  She ate 1/6 of the pie.  Her brother ate 1/3.  How much of the pie was left?

• 1/18

• 2/9

• 1/2

• 2/3

Carefully following a recipe, Ben used exactly 5/8 of a cup of oil and 3/4 of a cup of water. How many cups of liquid did Ben use in all?

• 1/8

• 2/3

• 1 1/2

• 1 3/8

solve

• 1  1/2

• - 1 5/9

• 1  5/9

• not here