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Mathematics/Prealgebra/Mixed_and_improper_fractions.md
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@ -110,6 +110,14 @@ Calculate $-2\frac{1}{12} \cdot 2 \frac{4}{5}$:
## Demonstration of division ## Demonstration of division
Again we convert the mixed fraction into an improper fraction and then follow the requisite rule, in the case of division this is to [invert and multiply]('./../Dividing_fractions.md#formal-specification-of-how-to-divide-fractions'). Again we convert the mixed fraction into an improper fraction and then follow the requisite rule, in the case of division this is to [invert and multiply]('./../Dividing_fractions.md#formal-specification-of-how-to-divide-fractions').
Calculate Calculate $-4 \frac{4}{5} \div 5 \frac{3}{5}$.
## Adding and subtracting mixed fractions 1. Convert to improper fraction:
$$
\begin{split}
-4 \cdot 5 = \\
-20
\end{split}
$$
## Adding and subtracting mixed fractions