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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:

SyllabusModuleSectionTopicExam Year
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-