Fractions | Speed Notes

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What havewe discussed? A fraction is a number representing a partof a whole. The whole maybe a single object or agroup of objects. (Scroll down to continue …)

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Whenexpressing a situation of counting partsto write a fraction, itmust be ensured that allparts are equal.

In5/7, 5 iscalled the numerator and 7 iscalled the denominator.

Fractions can beshown on a number line.

Every fraction has a point associated with it onthe number line.

In a proper fraction, the numerator is less than the denominator.

Thefractions, where the numerator is greater than the denominator are called improper fractions.

An improper fraction can be written as a combination of a whole and a part, and such fraction then called mixed fractions.

Each proper or improper fraction has many equivalent fractions.

To find an equivalent fraction of a given fraction, we may multiply or divide boththe numerator andthe denominator ofthe given fraction by the samenumber.

A fraction issaid to bein the simplest (or lowest) formif its numerator and the denominator haveno common factor except 1.