Problem : Reduce 45/18 to lowest terms.

5/2

Problem : Reduce 7/49 to lowest terms.

1/7

Problem : Reduce 30/105 to lowest terms.

2/7

Problem : What is the least common denominator of 6/11 and 9/2?

22

Problem : What is the least common denominator of 7/16 and 1/6?

48

Problem : What is the least common denominator of 2/9 and 4/27?

27