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This can be done in an equation only. Multiply the entire equation by the LCD. This cancels every denominator leaving an equation with no fractions.

EX: x/3 + 2/5 = 3/4 so the LCD for 3,5, and 4 is 60

60(x/3) + 60(2/5) = 60(3/4)

20(x) + 12(2) = 15(3) no more fractions, just solve.

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12y ago

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What is the LCD for fractions?

The LCD for fractions is the LCM (least common multiple) of all of the denominators.


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The LCD of two fractions is the same as the LCM of their denominators.


When is it useful to know multiples of a number?

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Is finding LCD important in solving fractional or rational equation?

Yes, finding the least common denominator (LCD) is crucial in solving fractional or rational equations. The LCD allows you to eliminate the fractions by multiplying all terms by it, simplifying the equation and making it easier to solve. This step helps avoid errors that can arise from working with fractions directly and ensures you can combine like terms efficiently.


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Once you find the LCD, convert the fractions to their equivalents and then you can add and/or subtract them correctly.


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because.


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You need at least two fractions to find an LCD.


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