Adding & Subtracting Fractions

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

1. Question 1

   What is 2 4/5 − 1 1/2?

   • 1 3/10
   • 1 5/7
   • 2 3/10
   • 3/10
   Show answer

   1 3/10

   Hint: Change each mixed number to an improper fraction (or work with the whole numbers and fractions separately), use the common denominator 10, then simplify.

2. Question 2

   What is 2/3 − 2/6?

   2/3 − 2/6

   • 1/2
   • 2/3
   • 1/3
   • 1/6
   Show answer

   1/3

   Hint: Use the common denominator 6, subtract the numerators, then simplify.

3. Question 3

   Amir walked 1/6 km to the library and then 5/10 km to a friend's house. How far did Amir walk in all, in kilometres?

   • 2/3
   • 7/10
   • 3/8
   • 1/5
   Show answer

   2/3

   Hint: Add 1/6 + 5/10 using the common denominator 30.

4. Question 4

   Amir walked 4/6 km to the library and then 3/8 km to a friend's house. How far did Amir walk in all, in kilometres?

   • 1 1/12
   • 7/24
   • 1 1/24
   • 1/2
   Show answer

   1 1/24

   Hint: Add 4/6 + 3/8 using the common denominator 24.

5. Question 5

   What is 1/2 + 5/12?

   1/2 + 5/12

   • 3/7
   • 1
   • 11/12
   • 1/2
   Show answer

   11/12

   Hint: Write both fractions with the common denominator 12, add the numerators, then simplify.

6. Question 6

   What is 2 5/6 + 3 1/3?

   • 5 2/3
   • 6 1/6
   • 5 1/6
   • 7 1/6
   Show answer

   6 1/6

   Hint: Change each mixed number to an improper fraction (or work with the whole numbers and fractions separately), use the common denominator 6, then simplify.

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