What is a decimal fraction?
Common fractions with the denominator 10, 100, 1000, ...
can be written as a decimal fraction.
\[
\begin{array}{l}
\frac{2}{10}= 0.2 & \frac{15}{10}= 1.5 \\ \frac{28}{10} = 2.8 & \frac{8}{100}= 0.08 \\ \frac{435}{100}= 4.35 & \frac{303}{1000} = 0.303 \end{array}
\]
If you have understood the context,
you can solve the problems on the right.
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