How to convert 642.35518721109 as a fraction

Question: What is 642.35518721109 as a fraction?


Answer: 642.35518721109 as a fraction is 19913/31


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How to convert 642.35518721109 as a fraction?

Solution:642.35518721109 as a fraction is 19913/31

Step 1:

The first step to converting 642.35518721109 to a fraction is to re-write 642.35518721109 in the form p/q where p and q are both positive integers. To start with, 642.35518721109 can be written as simply 642.35518721109/1 to technically be written as a fraction.

Step 2:

Next, we will count the number of fractional digits after the decimal point in 642.35518721109, which in this case is 11. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 642.35518721109/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 642.35518721109/1 each by 100000000000:

64235518721109/10 / 100000000000/10 = 64235518721109 / 100000000000

Step 3:

Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 642.35518721109 as a fraction:

19913/31 / 1

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