72 divided by the number 3.8 is 19.2 If the divisor is not a whole number:<span>Move the decimal point in the divisor all the way to the right why you might ask duh to make it a whole number Move the decimal point in the dividend the same number of places.</span><span>Divide as usual. If the divisor doesn't go into the dividend evenly, add zeroes to the right of the last digit in the dividend and keep dividing until it comes out evenly or a repeating pattern shows up.Position the decimal point in the result directly above the decimal point in the dividend. <span>Check your answer Use the calculator and multiply the quotient by the divisor. Does it equal the dividend? </span></span> thats how you work with decimal