Q:

# What fraction of an hour is 40 minutes?

A:

Forty minutes is two-thirds of an hour. A fraction is found by setting up a ratio between a whole and its parts. The denominator, is the total number of parts, while the numerator, indicates how many parts are involved.

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In this instance, the whole is one hour, which is equivalent to 60 minutes; therefore, the fraction is 40/60. To make the answer more useful, it should be simplified. To do this, find the largest number that is a factor of both the numerator and the denominator. The number 20 divides evenly into both 40 and 60, leaving the fraction 2/3.

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## Related Questions

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The number 37.5 is expressed as 37 1/2 in simplified terms or 75/2 as a fraction. In simplified form, the 0.5 equals .50 and can be written as 5/10. The fraction 5/10 is simplified further to 1/2, by using 5 as the common factor for both the numerator and denominator.

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The whole number 625 can be expressed as the fraction 625/1, because any number is equal to itself divided by 1. However, the decimal value 0.625 can be expressed as the fraction 5/8.

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To convert a fraction into a percent, change the fraction so that the denominator is 100. Multiply the numerator with the number that when multiplied with the original denominator gives you 100. Write down the numerator with a percent sign.

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The decimal 0.75 is equal to three over four as a fraction, or three-fourths. It can be converted by putting 0.75 over a denominator of one, and then multiplying both by 100. From there, the fraction of 75 over 100 can be reduced to three over four by dividing by their largest common factor of 25.