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{{ printedBook.courseTrack.name }} {{ printedBook.name }} Fractions are a specific type of ratio comparing a part to a whole. They are written in the form $\frac{a}{b},$ where the *numerator* $a$ is the part and the *denominator* $b$ is the whole.

$\begin{gathered} \dfrac{\text{part}}{\text{whole}}= \dfrac{a}{b}= \dfrac{\text{numerator}}{\text{denominator}} \end{gathered}$

$a$ over $b.$

Fractions are also another way to write