2.1.1

Simplifying Fractions

Test yourself on Simplifying Fractions

Test your knowledge with free interactive questions on Seneca — used by over 10 million students.

Simplifying Fractions

You need to know how to 'cancel down' fractions to their simplest forms.

How to simplify the fraction

How to simplify the fraction

  • To simplify the fraction 20⁄24, we need to find the largest number that we can divide both 20 and 24 by.
Numbers that 20 can be divided by

Numbers that 20 can be divided by

  • The factors of 20 are 1, 2, 4, 5, 10 and 20.
Numbers that 24 can be divided by

Numbers that 24 can be divided by

  • The factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24.
Find the largest shared number

Find the largest shared number

  • The largest common factor is 4.
  • So we need to divide both 20 and 24 by 4 to simplify the fraction.
Divide 20 and 24 by 4

Divide 20 and 24 by 4

  • The simplest form of the fraction 20⁄24 is 5⁄6
Jump to other topics
1

Angles

1.1

7 Facts About Angles

1.1.1Facts About Angles1.1.2More Facts About Angles
1.2

Identify the Angle

1.2.1Identify the Angle
1.3

Angles on a Straight Line

1.3.1Angles on a Straight Line1.3.2Angles on a Straight Line - Practice Questions
1.4

Angles in a Circle

1.4.1Angles in a Circle
1.5

Angles in Triangles

1.5.1Angles in a Triangle
2

Fractions

2.1

Simplifying Fractions

2.1.1Simplifying Fractions2.1.2Identifying Equivalent Fractions
2.2

Improper Fractions & Mixed Numbers

2.2.1Improper Fractions & Mixed Numbers2.2.2Converting Mixed Numbers to Improper Fractions2.2.3Converting Improper Fractions to Mixed Numbers
2.3

Fractions of Numbers

2.3.1Fractions of Numbers
2.4

Expressing Shaded Areas as Fractions

2.4.1Expressing Shaded Areas as Fractions
3

Time

3.1

12-Hour & 24-Hour Clocks

3.1.1Difference Between 12-Hour & 24-Hour Clocks3.1.2Changing the 12-Hour Clock to the 24-Hour Clock3.1.3Changing the 24-hour Clock to the 12-Hour Clock
3.2

Time-Related Problems

3.2.1Time-Related Problems3.2.2Timetable & Schedule Problems
4

Prime Numbers

4.1

Prime Numbers

4.1.1Prime Numbers
5

Probability

5.1

Probability

5.1.1Probability Scale5.1.2Probability Fractions5.1.3Experimental Probability
6

Ratio

6.1

Ratios

6.1.1Ratios
7

Sequences

7.1

Constant Sequences

7.1.1Constant Increase Sequences7.1.2Constant Decrease Sequences
7.2

Doubling & Halving Sequences

7.2.1Doubling Sequences7.2.2Halving Sequences
7.3

Alternating Patterns & Two-Step Sequences

7.3.1Alternating Pattern Sequences
7.4

Two-Step Patterns

7.4.1Two-Step Patterns
7.5

The nth Term

7.5.1Find the nth Term7.5.2Using the nth Term
8

Area & Perimeter

8.1

Perimeter of a Quadrilateral

8.1.1Finding the Perimeter of a Quadrilateral8.1.2Finding the Missing Length
8.2

Area of a Quadrilateral

8.2.1Finding the Area of a Quadrilateral8.2.2Finding the Missing Side of a Rectangle8.2.3Finding the Missing Side of a Square8.2.4Finding the Area of Irregular Shapes
8.3

Area of a Triangle

8.3.1Finding the Area of a Triangle

Practice questions on Simplifying Fractions

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

  1. 1
    Which number do you need to divide the top and bottom numbers by to write the fraction <sup>11</sup>&frasl;<sub>22</sub> in its simplest form?Multiple choice
  2. 2
    Which fractions are in their simplest forms?True / false
Answer all questions on Simplifying Fractions

Unlock your full potential with Seneca Premium

  • Unlimited access to 10,000+ open-ended exam questions

  • Mini-mock exams based on your study history

  • Unlock 800+ premium courses & e-books

Get started with Seneca Premium

Angles in a Triangle

Identifying Equivalent Fractions