The lowest term for 14 over 42 = 1/3
42
Divide by 100 to get to a fraction, then look for common factors between 42 and 100 to reduce to lowest terms. 42/100=21/50
3 and 7/14 = 3 and 1/2. If you mean the LCM, it is 42.
LCM for 14 and 21 is 42.
42/14 = 3
The LCM is 42.
10 over 42 in lowest terms = 5/21
6/7
42
7/8
The lowest common multiple of 14 and 6 is 42