The least common denominator is 144. Other common denominators would be multiples of 144.
If that's 1/2, 1/6 and 1/8, the LCD is 24.
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If those numbers are both denominators, the LCD is 304. If that's 1/6 and 1/9, the LCD is 18.
First a common denominator must be found. The denominators are 2,3,4,8. 24 is the Lowest Common Denominator. Now convert all the fractions with 24 as the denominator. ⅓=8/24 ⅛=3/24 ½=12/24 ⅜=9/24 ⅞=21/24 ⅔=16/24 ¼=6/24 ⅝=15/24 ¾=18/24 ½ =12/24 The denominator will be 24. Add the numerators. 8+3+12+9+21+16+6+15+18+12 =120 The fraction is 120/24 which is equal to 5.
The common factors of 16 and 18 are: 1 and 2
The least common multiple of 16 , 18 , 24 = 144
The least common multiple of 5, 12, and 18 is 180.