Composing and Decomposing Unit Fractions

Decompose 5/12 into the sum of its unit fractions.

• 1/5+1/5+1/5+1/5+1/5 = 5/12
• 1/12+1/12+1/12+1/12+1/12 = 5/12
• 1/5+1/12+1/5+1/12+1/5 = 5/12
• 4/12+1/12 = 5/12

How do you decompose 6/10 into a sum of unit fractions?

• 1/10 + 5/10
• 3/10 + 3/10
• 1/10 + 1/10 + 1/10 + 1/10 + 1/10 + 1/10
• 4/10 + 2/10

Decompose the fraction represented with the pizzas

• 1/4 +1/3 +1/3 +1/4
• 1/3 +1/3 +1/4
• 1/3 +1/3 +1/3 +1/3

Crystal shared her cake with a total of 6 people.  How much of the cake did each person get?

• 6
• 1/6
• 6/6
• 1

1/4  + 1/4 + 1/4 = ?

• 2/4
• 3/4
• 4/5
• 2/3

What fraction of the circle is NOT shaded?

• ⅙
• ⅚
• ¼
• 1/5

How can you decompose 3/9 into a sum of unit fractions?

• 1/9 + 1/9 + 1/9

• 2/9 + 1/9

• 1/3 + 1/3

• 3/9 + 1/9

How can you decompose 4/5 into a sum of unit fractions?

• 2/5 + 2/5

• 1/5 + 1/5 +1/5 + 1/5

• 3/5 + 1/5

• 1/2 + 1/2 + 1/2 +1/2

Decompose: To ___________________ the numbers ______________________.

• regroup, add

• break, apart

• subtract, again

• they're, their

When breaking apart fraction, the _____________________ gets decomposed.

• numerator

• denominator

• both