To convert an Improper Fraction to a Mixed Number:

• • Divide the numerator by the denominator (with long division)
• • The result (quotient) of the division becomes the who part of the mixed number
• • The fractional part of the mixed number is the remainder over the original denominator

To convert the other way, use this formula: http://automathic.org/158_convert-a-mixed-number-to-an-improper-fraction