It is: 60
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lcd(2, 6, 12) = 12.
the LCD of 2, 9 and 5 = 90
2/3 and 3/4Looks like 12 here, so use form of one to convert both fractions to LCD form.4*2/4*3 and 3*3/3*48/12 and 9/12==========
12
5 = 5 12 = 2² x 3 15 = 3 x 5 2² x 3 x 5 = 60