0.0396
Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there are 4 numbers to the right of the decimal point, place the decimal number over 104 (10000). Next, add the whole number to the left of the decimal.
39610000
Factor 4 out of 396.
4(99)10000
Cancel the common factors.
Factor 4 out of 10000.
4⋅994⋅2500
Cancel the common factor.
4⋅994⋅2500
Rewrite the expression.
992500
992500
992500
Convert to a Fraction 0.0396