Fractions Subtracting from One Whole

Find the difference. 1 - 3/4

• 1/2

• 1 1/4

• 1/8

• 1/4

Find the difference. 2 - 4/8

• 1 2/8

• 1 3/8

• 1 6/8

• 1 4/8

Is Sonya's work correct? Why?

• No, because she didn't write it vertically and she didn't even show her work.

• Yes, because she subtracted.

• Yes, because she circled the answer and her subtraction is correct.

• No, because she didn't find a common denominator that both fractions have.

When the denominators are not the same, I must find a...

• common numerator

• common denominator

• equivalent fraction

• mixed number

Solve

• 1 2/5

• 2/5

• 3/5

• 1/5

Jennifer made a giant cookie to eat for lunch. She ate 2/5 of it and felt sick.  She gave the rest of the giant cookie to Noelle.  How much of the cookie did Noelle have? 

• 4/5

• 1/5

• 3/5

• 5/5

• -4/3
• 13/18
• 4/3
• 2/9

• 3/20
• 1/1
• 3/9
• 1/9

Once I have completed adding or subtracting fractions, I should always ____________ if possible.

• make equivalent fractions

• add again

• simplify

• multiply

There were 3 1/6 pies on the shelf. The server took away 1 5/6 pies from the shelf. How many pies remain on the shelf?

• 3 1/6 pies

• 2 1/6 pies

• 1 1/3 pies

• 2 pies