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Mathematics 9 Online
OpenStudy (anonymous):

Least Commmon Denominator of 1/7 and 2/15

OpenStudy (anonymous):

it would be 105

OpenStudy (anonymous):

multiply both that should be the LCD

OpenStudy (anonymous):

7*15 = 105

OpenStudy (anonymous):

Denominators are 7 and 15 Multiples of 7 are 7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,... Multiples of 15 are 15,30,45,60,75,90,105,.... Least common multiple of 7 and 15 is 105. So the least common denominator of 1/7 and 1/15 is 105

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