You multiply fractions by whole numbers by turning the whole numbers into a fraction. and then you multiply the two fractions.

 

There are 4 simple steps to multiply fractions by whole numbers

1. Change the whole number into a fraction by making the denominator a 1 and by making the whole number into the denominator.

2. Multiply the top numbers (the numerators).

3. Multiply the bottom numbers (the denominators).

4. Simplify the fraction if needed.

 For more information, go to

http://www.mathsisfun.com/fractions_multiplication.html