Do you think the denominator is just a number?

I can do calculations with integers and decimals, but when it comes to fractions, I get them marked wrong.I just forget to simplify the fractions, but it happens every time.These are words I often ...
NPR

Coastal Snobbery, 'The Masses,' And Respecting The Lowest Common Denominator

3. "The lowest common denominator." All three are ways to separate the writer and her sensibility — which are presumed to be congruent with the reader and her sensibility — from invisible and ...
BBC

Surds - Higher - Cambridge OCR

If the denominator has just one term that is a surd, the denominator can be rationalised by multiplying the numerator and denominator by that surd. \(\frac{\sqrt{2 ...