You know how to add and subtract fractions (6th grade lesson). Now let's have a look at their multiplication and their division.Multiplying FractionsIt is very simple. To multiply two fractions, you must multiply the numerator and the denominator of the two fractions.Dividing FractionsTo divide by a fraction, you multiply by the inverse of the fraction. Inversing a fraction means exchanging the positions of the numerator and the denominator (the top and the bottom).Calculating with FractionsBe careful of the priority rules during the calculations !You need to understand these calculations well, and be able to do them again. See also : fractions on fmaths.com |