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What is the least common denominator of three fourths and one tenth?
The LCD for 3/4 and 1/10 is 20
The common denominator 32?
You need at least two denominators to find something in common between them. If that's 3 and 2, the common denominator is 6..
Why does the fraction that results from adding or subtracting fractions with unlike denominators have a different denominator?
When you add fractions that have unlike denominators, the first step is to convert them so they are expressed as fractions using the least common denominator. The result is that the answer will have a different denominator, or it may use one of the original two denominators.For example if you are adding 1/10 and 3/5, the least common denominator is 10, the problem is rewritten as 1/10 + 6/10 = 7/10But if you are adding 1/5 and 1/6, the least common denominator is 30 and the problem is rewritten as 6/30 + 5/30 = 11/30
What is the least common denominator of 45 13?
The LCD of 4/5 and 1/3 is 15.
What is the common denominator of 3 over 4?
The word "common" indicates that there will be at least two. You have one. Your answer will be some multiple of 4.
