What are these not-so-proper guys called? Rather logically, fractions that fall into this camp are called “improper fractions.” »Continue reading on QuickAndDirtyTips.com ...

The fraction to be subtracted (5⁄7) is bigger than the first fraction (2⁄7). The most efficient method for a calculation like this is to change the mixed numbers to improper fractions first.

In this constructivist teaching experiment with 2 fourth graders I studied the coemergence of teaching and children's construction of a specific conception that supports the generation of improper ...