Fraction Addition Concepts

Question 1

During a game, a player runs around a track that is divided into 9 equal sections. She completes exactly 4 of those sections. Which answer shows two different correct ways to write the fraction of the track she ran, 4/9, as a sum of fractions that all have denominator 9?

Accepted Answer

4/9 = 1/9 + 1/9 + 1/9 + 1/9 and 4/9 = 2/9 + 2/9

Answer

4/9 = 1/9 + 1/9 + 1/9 + 2/9 and 4/9 = 3/9 + 1/9

Answer

4/9 = 1/9 + 1/9 + 1/9 + 1/9 and 4/9 = 1/9 + 1/9 + 1/9 + 1/9

Answer

4/9 = 1/8 + 1/8 + 1/8 + 1/8 and 4/9 = 2/8 + 2/8

Question 2

Which answer shows two different correct ways to write the fraction 3/8 as a sum of fractions that all have the denominator 8?

Accepted Answer

1/8 + 1/8 + 1/8 and 1/8 + 2/8

Answer

1/8 + 1/4 and 2/8 + 1/8

Answer

1/8 + 1/8 and 2/8 + 2/8

Answer

3/8 + 0/8 and 1/4 + 1/8

Question 3

Which of the following shows a correct way to write 3/8 as a sum of fractions that all have the denominator 8?

Accepted Answer

1/8 + 1/8 + 1/8

Answer

1/8 + 3/8

Answer

2/8 + 2/8

Answer

1/4 + 1/8

Try three questions

During a game, a player runs around a track that is divided into 9 equal sections. She completes exactly 4 of those sections. Which answer shows two different correct ways to write the fraction of the track she ran, 4/9, as a sum of fractions that all have denominator 9?

Which answer shows two different correct ways to write the fraction 3/8 as a sum of fractions that all have the denominator 8?

Which of the following shows a correct way to write 3/8 as a sum of fractions that all have the denominator 8?

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