It "enumerates" the portion of items being discussed.
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Well, honey, that top part of a fraction is called the numerator. It's the number that tells you how many parts of the whole you're dealing with. So next time you see a fraction, just remember the numerator is the boss of the top!
The numerator in a fraction is above the line.
The number below the fraction bar in a fraction is the denominator. The number above the fraction bar is the numerator.
The part of a fraction that is below the line and that functions as the divisor of the numerator
"7" is a prime number. But you can simplify 7/14, 7/21,/7/28, and so on. Answer: If the denominator is also a multiple of the prime number, then the fraction can be simplified; otherwise, it cannot. To simplify any fraction, the numerator and denominator must have a factor in common, as in the examples above.