Comparing Decimals and Fractions
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To compare a decimal and a fraction,
first convert, or change, one of the numbers so that we have either two decimals or two fractions. Then, compare as usual.
For example: Let’s compare
First, let's write the fraction as a decimal.
as an equivalent fraction with 10 as the denominator.
as a decimal.
Now, compare 0.5 and 0.72.
As the tenth digit of 0.5 is less than the tenth digit of 0.72,
0.5 < 0.72
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.