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The smallest fraction of a second measured is of the order of 10-15 attoseconds

(10-15*10-18 seconds, or 10-15 quintillionths of a second).

According to the current understanding of the laws of physics, the smallest unit of time that can be measured is the Planck time which is approx 5.4*10-44 seconds.

Q: What is the smallest fraction of a second?

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The smallest fraction of a second measured is of the order of 10-15 attoseconds (10-15*10-18 seconds, or 10-15 quintillionths of a second). According to the current understanding of the laws of physics, the smallest unit of time that can be measured is the Planck time which is approx 5.4*10-44 seconds.

0 is the smallest non-negative fraction.

you order unit fraction like this by smallest to biggest or biggest to smallest

The smallest fraction is the fraction with the smallest numerator and the largest denominator. The smallest number from 3, 4 and 5 is 3. The largest number from 3, 4 and 5 is 5. The smallest fraction is 3/5

The smallest fraction you can get is 857/100.

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The smallest fraction of a second measured is of the order of 10-15 attoseconds (10-15*10-18 seconds, or 10-15 quintillionths of a second). According to the current understanding of the laws of physics, the smallest unit of time that can be measured is the Planck time which is approx 5.4*10-44 seconds.

0 is the smallest non-negative fraction.

the Smallest Improper fraction form is 21/5 The Smallest Mixed Fraction form is 41/5

There is no complete answer because a fraction can always be reduced sot there is no smallest fraction.

The smallest fraction is /

you order unit fraction like this by smallest to biggest or biggest to smallest

The smallest fraction is the fraction with the smallest numerator and the largest denominator. The smallest number from 3, 4 and 5 is 3. The largest number from 3, 4 and 5 is 5. The smallest fraction is 3/5

The smallest fraction you can get is 857/100.

The smallest fraction has the smallest numerator and the greatest denominator. If only two of the six numbers can be used then the smallest fraction is 1/6. If all numbers are used then the smallest fraction is 123/654.

The smallest improper fraction I could make would be called one plus one over infinity. Technically, the smallest improper fraction is indistinguishable from an integer.

I'm not quite sure what the question means, exactly. If it's about the shortest fraction of a second that has a name, the answer is a "yoctosecond". That's 10-24 seconds.

The smallest is Mercury, the second smallest is Mars.