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What method do we use to find the LCD of two or more fraction?
By finding the lowest common multiple of the denominators.
How do you find LCD in fraction?
By finding the lowest common multiple of the fractions with different denomiators that need to be added or subtracted
What is the LCD of fraction pair 14 and 16?
The LCD of 1/4 and 1/6 is 12
What is the lcd of numerator 2 and denominator 5?
You don't normally calculate the lcd of a single number (fraction). You would normally take the lcd of two or more fractions. In that case, ONLY the denominators are relevant to find the lcd.
Why is factoring important in finding a least common denominator?
You can find a common denominator without factoring but it will not be the least such number. That means that you will end up working with numbers that are far larger than they need be. For example, 5/12 + 7/18 Using LCD = 36: 15/36 + 14/36 = 29/36 Without LCD : 90/216 + 84/216 = 174/216 which can then be simplified to 29/36.
