The LCD of any two (or more) of positive integers is 1
84
56 is the lcd of 8 and 7. You can get this by multiplying 8x7. 8 and 7 have no common factors; that is why you multiply the two numbers to get the lcd.
lcd(2, 6, 12) = 12.
LCD(7, 5, 10) = 10
The LCD of any two (or more) of positive integers is 1
840
24
84
The lcd of 2/3 and 7/12 is 12
LCD(6, 7, 12) =84
56 is the lcd of 8 and 7. You can get this by multiplying 8x7. 8 and 7 have no common factors; that is why you multiply the two numbers to get the lcd.
For 7/12 and 7/15 the LCD is 60.
3
The LCD of 5/8 and 7/12 is 24.
LCD(7, 11, 12) = 924
lcd(2, 6, 12) = 12.