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16 votes
How would you write 0.5 Repeating as a fraction

2 Answers

12 votes

Answer:

59

Explanation:

Since this fraction repeats the same number it must have a denominator of 9 and a numerator of the repeating digit the repeating digit is 5 so the fraction is 59

User Vadim Motorine
by
4.6k points
9 votes

Let x = 0.555…

Then 10x = 5.555…

Subtract one from the other to get

10x - x = 5.555… - 0.555…

Notice how the fractional parts on the right cancel. This leaves you with

9x = 5

and so

x = 5/9

User Bryan Massoth
by
5.1k points