Step 1:
The first step to converting 57870345.898591 to a fraction is to re-write 57870345.898591 in the form p/q where p and q are both positive integers. To start with, 57870345.898591 can be written as simply 57870345.898591/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 57870345.898591, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 57870345.898591/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 57870345.898591/1 each by 1000000:
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 57870345.898591 as a fraction:
57870345/1 / 1