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Maths

Fraction basics

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One number as a fraction of another

Imagine that there are 10 questions in a test and you get 7 of them correct. You would say that you got 7 over 10

7 as a fraction of 10 is 7 over 10

In the same way, 4 as a fraction of 12 is 4 over 12 or 1 over 3 and 20 as a fraction of 48 is 20 over 48 or 5 over 12

Easy? Yes, but just be careful with the units.

For example, 20p as a fraction of £2 is not 20 over 2 or 20 over 200 (£2 = 200p). And 30cm as a fraction of 5m is 30 over 500 (5m = 500cm).

Now try a Test Bite

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