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ASHA 777 [7]
3 years ago
8

What is 0.66666666666 as a fraction

Mathematics
2 answers:
stellarik [79]3 years ago
8 0

To turn 0.(6)=0.6666... into a fraction you should do such steps:

1 step. Set up an equation by representing the repeating decimal with a variable. Using your example, you will let x represent the repeating decimal 0.(6), so you have x=0.666... .

2 step. Identify how many digits are in the repeating pattern, or n digits. Multiply both sides of the equation from Step 1 by 10^n to create a new equation. Again, using your example, you see that the repeating pattern consists of just one digit: 6. Now multiply both sides of the equation by 10^1 = 10. Thus, you have 10x = 10 \cdot 0.666... or 10x = 6.666.....

3 step. Subtract the equation in Step 1 from the equation in Step 2. Notice that when we subtract these equations, our repeating pattern drops off. Therefore, 10x-x=6.666...-0.666...\\ 9x=6.

4 step. You now have an equation that you can solve for x and simplify as much as possible, using x as a fraction: 9x = 6. If you divide both sides by 9, you get x=\dfrac{6}{9}. When simplified, you get that x=\dfrac{2}{3}.

Answer: 0.(6)=0.666... =\dfrac{2}{3}.

julsineya [31]3 years ago
5 0
<span> For this case we hace the following expression:
 0.66666666
 We observe that this expression represents two thirds of the unity that is one.
 Therefore, we can rewrite the decimal expression as a fraction.
 In this case, the fraction is given by:
</span> \frac{2}{3}
<span> Answer:
 0.66666666 as a fraction is:
</span> \frac{2}{3}
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