How to convert 3.98210410807 as a fraction

Question: What is 3.98210410807 as a fraction?


Answer: 3.98210410807 as a fraction is 1780/447


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How to convert 3.98210410807 as a fraction?

Solution:3.98210410807 as a fraction is 1780/447

Step 1:

The first step to converting 3.98210410807 to a fraction is to re-write 3.98210410807 in the form p/q where p and q are both positive integers. To start with, 3.98210410807 can be written as simply 3.98210410807/1 to technically be written as a fraction.

Step 2:

Next, we will count the number of fractional digits after the decimal point in 3.98210410807, which in this case is 11. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 3.98210410807/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 3.98210410807/1 each by 100000000000:

398210410807/10 / 100000000000/10 = 398210410807 / 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 3.98210410807 as a fraction:

1780/447 / 1

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