Step 1:
The first step to converting 154705.2157207 to a fraction is to re-write 154705.2157207 in the form p/q where p and q are both positive integers. To start with, 154705.2157207 can be written as simply 154705.2157207/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 154705.2157207, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 154705.2157207/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 154705.2157207/1 each by 10000000:
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 154705.2157207 as a fraction:
618821/4 / 1