Fractions and Mixed Numbers
Multiplying or Dividing Fractions and Whole Numbers:
Make the whole number a fraction by putting it over 1.
For example: 5 becomes . Multiply or divide as usual.
Examples:
1)
2)
Multiplying or Dividing Mixed Numbers:
Change the mixed number to an improper fraction and then
multiply or divide as usual. Change the mixed number to an
improper fraction by multiplying the denominator times the whole
number part, adding the numerator, and putting that number over
the denominator.
Example: 3 5/8
8 times 3 = 24
24 plus 5 = 29
3 5/8 = 29/8
Adding or Subtracting with Mixed Numbers:
Find the least common denominator for the fraction part. Add
or subtract as usual.
