A unit fraction is any fraction where the numerator is 1, for example \(\frac{1}{4}\). A non-unit fraction is a fraction where the numerator is not 1, for example \(\frac{4}{5}\). Mixed fractions are ...
There are two rules to remember when adding or subtracting fractions. The fractions need to have a common denominator. This means the denominator has to be the same. You only need to add or subtract ...