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# What is two thirds as a decimal?

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Two-thirds expressed as a decimal is 0.6, with a line over or under the six, indicating that the six repeats indefinitely, or as 0.666, which is accurate to three decimals. To convert a fraction to a decimal, divide the numerator, the top number, by the denominator, the bottom number.

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Credit: irchriscdk CC-BY 2.0

When divided as such, some fractions come out even and are called "terminating decimals." There are no repeating figures in terminating decimals. Other numbers, such as 2/3, are called "recurring decimals." When dividing 2/3, the division does not work out as an even number, so the six is repeated to infinity.

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## Related Questions

• A:

One half of two-thirds is equal to one-third. One finds this answer by multiplying the fraction two-thirds by one-half, which gives 2/6. This fraction simplifies to one-third, or 1/3.

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The mixed number 66 and two-thirds is 200 over 3, or 200/3, as a fraction. To convert a mixed number into a fraction, manipulate the whole number so that it shares a common denominator with the fractional component, and then add the two together.

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• A:

The number two and one tenth as a decimal in standard form is written as 2.1 times 10 to the zeroth power. Raising a number to the zeroth power returns the number one, so the number above is equal to 2.1 times one, or simply 2.1.