To change an improper fraction to a mixed number :
Think:
How many ones?
How many parts left?
Draw a picture.
9/4 à
or
9/4    =             4/4     +    4/4     +      1/4    à      21/4
or
Divide the numerator by the denominator.
      1    +      1     +   1/4
à
21/4
wholes
Extra fourths
21/4
next