LCD(8, 21, 7) = 168.
7
21
21
The lowest common denominator is 21.
21As 3 and 7 are relatively prime (their hcf = 1), their lcm is 3×7 = 21.
1/7 + 3/8 = 8/56 + 21/56 is the lowest common denominator.
The lowest common denominator of any set of whole numbers is 1
The lowest common denominator of any set of whole numbers is 1
The lowest common denominator of any set of whole numbers is 1
The lowest common denominator of any set of whole numbers is 1
The lowest common denominator of any set of whole numbers is 1
1