Grade 6 Mathematics · Strand 1: Numbers · Fractions
Subtracting Fractions Using LCM
A short Grade 6 Mathematics lesson for the CBE curriculum, part of Numbers: Fractions. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. Work out 3/4 - 1/6 and give your answer in its simplest form.
- A. 2/10
- B. 7/12
- C. 5/12
- D. 1/2
2. What is the Lowest Common Multiple (LCM) of 8 and 12? This is the common denominator you would use to subtract 1/8 from 5/12.
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3. What do we call a fraction whose numerator is smaller than its denominator, such as 3/5?
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4. Work out 11/12 - 1/4 and write the answer in its simplest form.
- A. 8/12
- B. 2/3
- C. 10/8
- D. 10/12
5. A water tank at a school in Kisumu was 3/4 full. During the day 1/5 of the tank was used. The fraction of the tank still full can be written as x/20. Find x.
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