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# Mhill ch 1

### 7th math

TermDefinition
bar notation in repeating decimals, the line or bar placed over the digits that repeat. For example, 2.(63) ̅ indicates that the digits 63 repeat.
common denominator a common multiple of the denominators of two or more fractions.
least common denominator (LCD) the least common multiple of the denominators of two or more fractions.
like fractions fractions that have the same denominator
rational numbers the set of numbers that can be written in the form a/b, where a and b are integers and b ≠ 0.
repeating decimal a decimal whose digits repeat in groups of one or more.
terminating decimal a repeating decimal which has a repeating digit of 0.
unlike fractions fractions with different denominators

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