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Order Fractions with Related Denominators

In this worksheet, students will order fractions whose denominators are multiples of the same number.

'Order Fractions with Related Denominators' worksheet

Key stage:  KS 2

Year:  Year 5 Maths worksheets

Curriculum topic:   Number: Fractions, Decimals and Percentages

Curriculum subtopic:   Order Fractions

Difficulty level:  

Worksheet Overview

In this activity, we will learn how to order fractions whose denominators are all multiples of the same number.

We will not be converting the fractions to decimals but will use the idea of equivalent fractions.

 

Remember to multiply or divide the top number (numerator) and the bottom number (denominator) of a fraction by the same number to change it to an equivalent fraction.

 

Example

Place these fractions in increasing order: 

 

 

Set of 3 fractions

 

 

Answer

We look for the smallest number that 6, 3 and 9 go into.

This will be 18, so we change all the fractions into 18ths.

 

We multiply both the numerator and denominator of 3/6 by 3:

 

equivalent fractions

 

We multiply both the numerator and denominator of 2/3 by 6:

 

equivalent fractions

 

We multiply both the numerator and denominator of 5/9 by 2:

 

equivalent fractions

 

Then we can place the fractions in increasing order.

 

Set of 3 fractions

 

So the answer is:

 

 

Does that make sense?

 

child thinking

 

Now it's time to try some of these yourself. 

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