Another common struggle: the parts-of-a-whole problem. Fractions are introduced through the “pizza model,” but students’ ...

(Get it? ratio-nal.) And ratios are the same thing as fractions. So: It’s also the case that any finite decimal number, no matter how long, can be expressed as the ratio of two integers.

You can convert the mixed number into an improper fraction. An improper fraction has a numerator greater than its denominator. The other way is to use partitioning, which means multiplying the ...

When you're multiplying fractions by an integer (or a whole number) you multiply the numerator of the fraction by the whole number, whilst the denominator of the fraction stays the same.