The denominator is the bottom number of a fraction representing how many divided parts the whole number contains. For example, if the denominator is 10, the whole number has 10 equal parts. If the denominator is 100, the whole number has 100 equal parts. The important thing to remember is that the denominator will always equal 1 when multiplied by the value of each part and rounded up. Converting the denominator to decimal form allows you to check aspects of your work as you move from basic math to algebra.
Instructions
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1
Find the denominator. For example, in the equation 7/9 the denominator is the bottom number, 9.
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2
Divide the number 1 by your denominator. In the example, 1 divided by 9 equals 0.111 (repeating infinitely).
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3
Multiply the denominator by the result of your division answer. In the example, 9 times 0.111 equals 0.999. When rounded to the nearest number, the answer is 1.