Recurring Decimals to Fractions

Emma Boxley
Mind Map by Emma Boxley, updated more than 1 year ago
Emma Boxley
Created by Emma Boxley over 7 years ago
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1

Description

AQA IGCSE Maths (EOY exams yr 8) Mind Map on Recurring Decimals to Fractions, created by Emma Boxley on 05/08/2013.

Resource summary

Recurring Decimals to Fractions
1 e.g 0.3333...
1.1 0.333... = x
1.1.1 10x = 3.33...
1.1.2 9x= 3
1.1.2.1 x=3/9
1.1.2.1.1 x= 1/3
2 Think of the number as x. Find 10x
2.1 Then find 9x
2.1.1 So x = 9x/9
2.1.1.1 Simplify
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