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They are both parts of a fraction. The denominator is the bottom number, what the equation is out of, 2/3 , in this case the denominator is the number 3. and the numerator is the number on top, in this case the number 2.
Multiply the numerator and the denominator by the same number, like 2/2 or 3/3.
The numerator is the top number in a fraction. (2 in 2/8) The denominator is the bottom number in a fraction. (5 in 3/5)
To convert a mixed number to an improper fraction, you first multiply the whole number by the denominator of the fraction, then add the numerator. This sum becomes the new numerator, while the denominator remains the same. For example, to convert 2 1/3 to an improper fraction, you would do (2 * 3) + 1 = 7, so the improper fraction is 7/3.
Given an improper fraction (a fraction greater than 1), we divide the numerator by the denominator. The quotient is the whole number part of the mixed number. The remainder is the numerator of the fraction part. The denominator is the same as the denominator of the original fraction. For example: Given the fraction 17/5. 17 divided by 5 is 3 with a remainder of 2. The answer is 3 2/5.