Our Dividing Fraction Algorithm- Reciprocal

  1. Look at the problem and then change any whole numbers and/or mixed numbers to an improper fraction.

2. Change the second fraction to its reciprocal and the division sign to a   multiplication sign.

Ex. ½ / ¾ = ½ x 4/3 =

3.  Multiply across.

Ex. 1 x 4 and 2 x 3

4. Simplify if needed.

November 2, 2009. Fractions, Math. No Comments.

Our Dividing Fraction Algorithm- Common Denominators

  1. Look at the problem and then change any whole numbers and/or mixed numbers to an improper fraction.

2.Find and change fractions to common denominators.

Ex. 1/3 ÷ 2/5= 5/15 ÷ 6/15=

3. Divide numerators.

Ex. 5÷6= 5/6

4. Divide denominators.

5. Simplify if needed.

November 2, 2009. Fractions, Math. No Comments.