Their product.
1
LCD(3, 16) = 48
32 is the LCD of 8, 16, and 32
The least common denominator of 4,16, and 8 is 16 since 4,16, and 8 are all factors of 16. The least common denominator is an obejct known as the least common multiple (LCM) of the denominators. The reason you might want to know this is because there are standard techniques to find the LCM and also many calculator and web programs will compute it for you.
16
A common denominator, though not the least one, is 16*24 = 384.
The least common denominator is 16. 7/8 = 14/16.
The least common denominator of 9, 12, and 16 is 144.
The least common denominator is 144.
2
4
It is 80
624
48
332
48