Subtracting Fractions

Try out this activity to practice subtracting fractions.

POTW

Here's this week's problem. Do you remember what a prime number is?

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POTW

Here's a link to this week's problem.

POTW - March 1st

Why don't you give this week's problem a try? Remember for probability you need to make a fraction with favourable outcomes  in the numerator and total possible outcomes in the denominator.