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When multiplying fractions you can divide out common factors so that the product will be in what?
simplest form
What are the common factors of 19 and 57?
Both 1 and 19 can divide into both 19 and 57.
When multiplying fractions the shortcut process of finding common factors that divide evenly into at least one of the numerator and one of the denominator is called?
It is called simplification [by cancelling common factors].
How are common factors and greatest common factors alike and dislike?
The greatest common factor, or GCF, is the largest positive integer that will divide evenly with no remainder into all the members of a given set of numbers. The least common multiple, or LCM, is the smallest positive integer that all the members of a given set of numbers will divide into evenly with no remainder. Factors go into numbers, numbers go into multiples.
What is the least common multiple of 36 and 45 and 54?
It is 9 derived as: Prime Factors of 36: 2x2x3x3 Prime Factors of 45: 5x3x3 Prime Factors of 54: 2x3x3x3 The common prime factors of all the three numbers are 3x3 = 9 To check you answer: 1. Divide all the three numbers by 9 and they shall be perfectly divisible 2. Try and divide non common factors of each number by other two, it would not be perfectly divisible (i.e. Try and divide 54 by 5)
