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# How do you write 0.12 as a fraction?

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The most direct way of expressing 0.12 as a fraction is 12/100. However, most math teachers expect the fraction to be reduced to 3/25. There are, in fact, an infinite number of fractions that equal 0.12.

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The fraction 120/1000 is equal to 0.12, as is 6/50, 24/200 and 1200/10000. In all these cases, the numerator and the denominator of 3/25 are multiplied by the same number. Since this is the same as multiplying by one, the value of the fraction is not changed. As long as the numerator and denominator are equal, any number can be used, so the possible ways of writing a fraction equal to 0.12 are infinite.

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## Related Questions

• A:

A fraction is a part of a whole, and fractions are necessary when dealing with portions and amounts that are not whole numbers. Fractions are a part of mathematics and science, as well as simple household functions such as cooking and making home repairs.

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The reciprocal of 3 is the fraction, one third or, in decimal, 0.3 recurring. A reciprocal is essentially a fraction that is inverted or "flipped" and the fraction of 3 is 3 over 1. The reciprocal of 3 over 1 is 1 over 3, or one-third.

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The lowest common denominator, or LCD, denotes the smallest number divisible by the denominators of every fraction in a set, whereas a least common multiple, or LCM, is the smallest multiple that two numbers have in common as products. Finding the LCD and LCM requires knowing prime factors of a number.