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Recurring decimals, such as 0.333... are usually written as 0.\dot{3} .

You can get a better display of the maths by downloading special TeX fonts from jsMath. In the meantime, we will do the best we can with the fonts you have, but it may not be pretty and some equations may not be rendered correctly.

## Glossary

### union

The union of two sets A and B is the set containing all the elements of A and B.

Full Glossary List

## This question appears in the following syllabi:

SyllabusModuleSectionTopic
AQA GCSE (9-1) Higher (UK)N: Fractions, Decimals and PercentagesN10: Recurring DecimalsConverting Recurring Decimals to Fractions
CBSE IX (India)Number SystemsReal NumbersNumber types
CBSE X (India)Number SystemsReal NumbersDecimal representation of rational numbers
CIE IGCSE (9-1) Maths (0626 UK)1 NumberB1.5 Decimals, Fractions and PercentagesConverting Recurring Decimals to Fractions
Edexcel GCSE (9-1) Higher (UK)N: Fractions, Decimals and PercentagesN10: Recurring DecimalsConverting Recurring Decimals to Fractions
GCSE Higher (UK)NumberDecimalsUnderstanding decimals
OCR GCSE (9-1) Higher (UK)2: Fractions, Decimals and Percentages2.02a: Recurring Decimals and FractionsConverting Recurring Decimals to Fractions
Universal (all site questions)DDecimalsUnderstanding decimals