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The answer may be simplified before calculation using the highest common factor (HCF). close highest common factor (HCF) The largest factor that will divide into the selected numbers. Eg, 10 is the ...

Ah, math. It’s why I became an English major. But now math is spinning back around and haunting me in the form of my fifth grader. Last night, I found myself dealing with how to multiply fractions as ...

Chris Tisdell has previously received funding from The Australian Research Council and the Australian Academy of Science. He has an educational partnership with Google and is a member of YouTube EDU.

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