63
21
21
The lowest common denominator of 5/42 and 7/30 is 210.
The lowest common denominator of any set of whole numbers is 1
84
63
The lowest common denominator of any set of whole numbers is 1
The lowest common FACTOR of 7,3 and 2 is 42.
The lowest common denominator is 21.
21As 3 and 7 are relatively prime (their hcf = 1), their lcm is 3×7 = 21.
The lowest common denominator of any set of whole numbers is 1
The lowest common denominator of any set of whole numbers is 1