Khan Academy (English - US curriculum)
Math by grade
Eureka Math/EngageNY
4th grade (Eureka Math/EngageNY)
Module 5: Fraction equivalence, ordering, and operations
Topic B: Fraction equivalence using multiplication and division
Finding common denominators
Finding common denominators
Rewrite 2/8 and 5/6 to have the same denominator.
License: CC BY-NC-SA by Khan Academy