Multiplying a Fraction and a Whole Number

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Step 1: Change the whole number to a fraction. This is really easy. The number 2 is the fraction 2/1. The number 400 is the fraction 400/1, and so on.

Step 2: Multiply the two fractions.

Example: 2/3 x 12

eq001

eq002

We can reduce 24/3 to 8/1 using the Euclidean Algorithm. Of course, 8/1 = 8.