Love when my lecturer doesnt explain why he changed the 16 into 4x4. 🤯🤯🤯

Like I get that 4x4 is 16, but he just did it without explanation. Now I'll have to go in and get him to explain it to me in person cause I missed the lecture and couldn't ask live. 🤯🤯🤯
CONFUSED. If anyone knows please do explain it to my idiotic self. This class has me second guessing myself and it was just meant to be a revision class of highschool maths HAHAHAH. 😐

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Dewkissedrose · 46-50, F

It's one method to simplify a fraction as the problem is being solved as opposed to simplifying it at the end.

Taking away everything else and just focusing on the numbers you would have... 16/4. When simplifying, you are looking for the GCF anyway. 4 is the GCF. He could just as easily have written it like.. 4x4/4x1 = 4/1. I hope this helps.