The least common denominator of fractions is the smallest multiple of the denominators that they both share. To find the least common denominator of 2/3 and 7/12, you need to find the least common multiple of 3 and 12, which is 12. Therefore, the least common denominator of 2/3 and 7/12 is 12.
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The least common multiple of two numbers is the product of the two numbers divided by their greatest common factor. The greatest common factor of 5 and 23 is 1. (See related question "What is the greatest common factor of 5 and 23?" for this calculation.) So, the least common multiple is 5 x 23 ÷ 1 = 115.
575 is the LCM of 23 and 25
The Least Common Multiple (LCM) for 3 23 is 69.
391
5/6 + 1/8 First change to common denominator. 20/24 + 3/24 Now add the numerators, and put the result over the common denominator. 20+3=23 23/24 is the answer.