Convert Decimals to Fractions Practice

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Question 2

Given the decimal number 2.1. Convert this decimal number to fraction.

Answer

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Select and check your answer...

A. 3 1/10
B. 2 1/10
C. 3 1/5
D. 2 7/8

Step by Step Solution

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    Step 1

    The decimal number, 2.1 contains 1 decimal place. Hence, we can remove the decimal point by multiplying 2.1 with 10 . This gives 21.

    multiplying 2.1 with 10 gives 21
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    Step 2

    After multiplying 2.1 with 10, we must divide the result, 21 with 10. This is because we need to keep this term equivalent to 2.1. Hence, we have:

    the fraction, 21/10
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    Step 3

    Notice that this fraction is an improper fraction. It is better to convert this fraction into a mixed fraction so that it will looks neater.

    converting 21/10 to a mixed fraction
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    Step 4

    Finally, we have the mixed fraction, 2 1/10

    mixed fraction, 2 1/10
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    Step 5

    Clearly, the answer is B.

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