**Problem : **
Reduce 45/18 to lowest terms.

**Problem : **
Reduce 7/49 to lowest terms.

**Problem : **
Reduce 30/105 to lowest terms.

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

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

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

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