Art of Problem Solving: Why Cancellation Works

Art of Problem Solving's Richard Rusczyk explores why we can "cancel" when working with fractions, so we'll know when we can't!

[Nathan-vntg]

Thank you so much for this. YouTube is full of videos of people cancelling fractions but none of them explain the reasoning behind it.

[dayeet]

you know it's an unpopular vid when the first person if 5 years after the upload date. :( this deserves more attention

[kobigreen]

You put a smile on my face whilst learning maths... thankyou.

[uyfytdkugf]

was going crazy till if found this video, thanks

[Cubes]

0:23 plot twist: x = 0 and the answer is undefined.

[syahmihakim]

now everything seems make sense to me 8/06/2024

[i_like_to_eat_food]

but i thought that you said you didn't like writing wrong stuff on purpose!!!