Note that 17 is a Prime number so its only factors are itself and 1.
This tells us that the LCD, which is the least common multiple of the denominators is
12x17 which is 204.
The LCD is 1. The GCD is 17.
LCD(12, 20) = 60
LCD = 119 (7x17=119)
Since 11 and 17 are both prime, you multiply them together to get the LCD which comes out to be 187.
LCD(12, 9) = 36
The LCD for 17 and 12 is 204
12,24,36,48,60,72,84,96,108,120......204 17,34,51,68,85,102,119,136,153,170,187,204, LCD for 12 and 17 is 204 (12X17=204)
The LCD is 1. The GCD is 17.
lcd(2, 6, 12) = 12.
LCD(12, 20) = 60
LCD(12, 8) = 24.
LCD of 23 and 12 is 276.
Their product. If that's 1/2 and 1/7, the LCD is 14.
LCD = 119 (7x17=119)
Since 11 and 17 are both prime, you multiply them together to get the LCD which comes out to be 187.
LCD(12, 9) = 36
136