The fraction ½ can be written in several equivalent ways.
This shows that ½ = 1 ÷ 2 = 0.5
0.5 is the same as 0.50 and 0.500 and 0.5000 etc.
½ of 100 = 100 ÷ 2 = 50, so ½ can also be written as 50%.
So ½ = 0.5 = 50%
You should know the following simple equivalences.
You should also be able to work out multiples of fifths, tenths and hundredths, for example...
3/5 = 3 × 0.2 = 0.6 = 60%
7/10 = 7 × 0.1 = 0.7 = 70%
8/100 = 8 × 0.01 = 0.08 = 8%
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