Question

Greatest to least
2/7, 1/4, 2/9

Answer 1

1/3; 2/7; 2/9

Lets find least common multiple

The least common multiple is 63

1/3 --> 21/63

2/7 --> 18/63

2/9 --> 14/63

As you can see I am correct, but I found the LCM by multiplying 1/3 by 21 to get to 63 and the numerator as well