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Say there's 2/3 and 1/2, it's called Least Common Denominator, so you need to look at the denominators which are 3 and 2.
Now list the multiples:
3: 1, 3, 6...
2: 1, 2, 4, 6...
As you can see both of them go into 6 the least amount of times because it's the one that they both can multiply.
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Earn +20 ptsQ: How do you find the LCD when adding fractions?
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What is an LCD in math?
LCD means lowest common denominator which is needed when adding or subtracting fractions that have different denominators.
What is the LCD for fractions?
The LCD for fractions is the LCM (least common multiple) of all of the denominators.
How do you find the lcd of fractions?
No sure way.just list the factors and circle common ones
How would you find the LCD when adding or subtracting rational expressions with different denominators?
No
Why are equivalent fractions important when adding and subtracting fractions?
Because to add or subtract two fractions you first have to find equivalent fractions for both which have the same denominator.
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