Least Common Denominator Examples Page 7

Rewrite  and  as fractions whose denominator is the LCD of  and .

You can figure out the LCD for these fractions in one of two ways. One: you can do the legwork, or two: you can look back up the page and realize that we already tried this one. Keen observation will get you far in this world.

We already know that the LCD for these two fractions is 180. That means that, instead of and , we will instead be working with the equivalent fractions of  and . Please show them to their cubicles.