Free Grade 3 Working with Subtracting Fractions Flashcards
Free Grade 3 flashcards for Working with Subtracting Fractions: 12 real questions with a full answer key and worked solutions. Subtracting fractions works like adding: match the denominators, subtract the numerators, simplify.
Free
Higher
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with subtracting fractions
Explain working with subtracting fractions accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with subtracting fractions
Calculate working with subtracting fractions accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with subtracting fractions
Compare working with subtracting fractions accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with subtracting fractions
Justify working with subtracting fractions accurately in a familiar context.
Assessed by: Exit ticket of four short items
Prerequisites
Close these gaps first — each has its own free lesson, worksheet and quiz.
How Working with Subtracting Fractions works
Subtracting fractions works like adding: match the denominators, subtract the numerators, simplify.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.3/4 − 2/4 = ?[1]
- 2.2/7 − 2/7 = ?[1]
- 3.2/4 − 2/4 = ?[1]
- 4.1/2 − 1/2 = ?[1]
- 5.3/5 − 3/8 = ?[2]
- 6.1/3 − 1/8 = ?[2]
- 7.5/8 − 3/9 = ?[2]
- 8.1/2 − 1/3 = ?[2]
- 9.4/2 − 4/9 = ?[3]
- 10.2/4 − 2/6 = ?[3]
- 11.1/2 − 1/4 = ?[3]
- 12.1/2 − 1/7 = ?[3]
Show answers and working
1. 1/4
Common denominator: 4. 3/4 − 2/4 = 1/4. Simplify: 1/4
2. 0
Common denominator: 7. 2/7 − 2/7 = 0/7. Simplify: 0
3. 0
Common denominator: 4. 2/4 − 2/4 = 0/4. Simplify: 0
4. 0
Common denominator: 2. 1/2 − 1/2 = 0/2. Simplify: 0
5. 9/40
Common denominator: 40. 24/40 − 15/40 = 9/40. Simplify: 9/40
6. 5/24
Common denominator: 24. 8/24 − 3/24 = 5/24. Simplify: 5/24
7. 7/24
Common denominator: 72. 45/72 − 24/72 = 21/72. Simplify: 7/24
8. 1/6
Common denominator: 6. 3/6 − 2/6 = 1/6. Simplify: 1/6
9. 14/9
Common denominator: 18. 36/18 − 8/18 = 28/18. Simplify: 14/9
10. 1/6
Common denominator: 12. 6/12 − 4/12 = 2/12. Simplify: 1/6
11. 1/4
Common denominator: 4. 2/4 − 1/4 = 1/4. Simplify: 1/4
12. 5/14
Common denominator: 14. 7/14 − 2/14 = 5/14. Simplify: 5/14
Worked examples
1/4 − 1/4 = ?
- Common denominator: 4.
- 1/4 − 1/4 = 0/4.
- Simplify: 0
- Answer: 0
5/4 − 5/7 = ?
- Common denominator: 28.
- 35/28 − 20/28 = 15/28.
- Simplify: 15/28
- Answer: 15/28
2/4 − 1/5 = ?
- Common denominator: 20.
- 10/20 − 4/20 = 6/20.
- Simplify: 3/10
- Answer: 3/10
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Subtracts the denominators.
Correction: Keep the common denominator — only the numerators change.
Puts the smaller fraction first.
Correction: Compare the fractions first to see which is bigger.
Teacher tips
- · Ask for a quick estimate: is the answer more or less than 1/2?
Parent tips
- · Ask how much pizza is left after some is eaten.
Real-life applications
- · Working out how much is left after using part of something.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
Every free resource for Working with Subtracting Fractions
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Frequently asked
- Is this Grade 3 Working with Subtracting Fractions flashcards really free?
- Yes. Every flashcards on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
- What should a learner already know before this?
- Start with Introducing Subtracting Fractions, Adding Fractions. Each one has its own free lesson, worksheet and quiz.
- How is the flashcards sequenced?
- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
- What comes next after Working with Subtracting Fractions?
- Move on to Subtracting Fractions in Context, Introduction to Fractions, Parts of a Fraction, Numerator, which build directly on this idea.
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