How to Find Common Denominators If you are trying to add or subtract fractions with different denominators, you’ve come to the right place! In order to add or subtract fractions, we have to have common denominators. Sometimes, though, you’re given a problem that looks like this: Those are definitely not common denominators! In order to get the denominators the same, follow... read more
Lowest Common Denominator Resources
Expanding and Reducing Fractions Two things you might be asked to do are expand and reduce (or simplify) fractions. Expanding a fraction means making it "bigger" while reducing a fraction means making it "smaller." Expanding Fractions Expanding fractions means making them "bigger." For example, let's say you ate 3/8 of that pizza, but your friend wanted to know how many sixteenths... read more
used lowest common denominator to find x
I have three problems that I can't completely figure. I appreciate any help and explanations! 17 - 6 x2-12x+35 ...
I can't seem to get past this problem... 2x + 5 3x x-8 For...
Using the LCD to write equivalent fractions. then compare using <>or =