Simplifying Fractions with Common Factors
Use the worked example to simplify fractions to lowest terms, then apply greatest common factors independently.
- Grades
- Grade 4
- Pages
- 1
- File type
- Subject
- Fractions, Math
- Resource types
- Worksheets
- Ontario expectations
- B1.4 — use equivalent fractions to simplify fractions
From the author
About this resource
Reducing fractions is a key skill for students to learn in order to be successful in mathematics. This worksheet provides practice for finding the Greatest Common Factor and reducing fractions to lowest terms. This is a great resource for teachers to use in the classroom or for students to use for homework.
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In the classroom
Teaching tips & learning objectives
Learning objectives
- Find a common factor of numerator and denominator
- Reduce a fraction by dividing both terms equally
- Determine whether a fraction is in lowest terms
Teaching tips
- List factor pairs when the greatest common factor is not immediately visible.
- After reducing, test whether numerator and denominator still share a factor.
Skills covered
- Equivalent-fraction calculation — divide numerator and denominator by the same common factor.
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Ontario curriculum
Ontario curriculum expectations
Ontario expectations
Ontario expectations
- B1.4 — use equivalent fractions to simplify fractions, when appropriate, in various contexts
Core concepts
Core concepts
- Reducing fractions
- GCF
- Lowest terms
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