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The least common multiple of 4 , 5 , 3 , 7 = 420
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.
2310
The least common multiple of 7, 14, 21 and 36 is: 252
The LCM of 7, 21 and 35 is 105.