Assuming that is either written out in long form or is written 11/31x33/91 (aka no parentheses) then you would work each problem out, like so
~.13 (the ~ symbol means approximately)
If, however you are multiplying fractions than you multiply the numerator and the denominators like so:
(363/2821) then, reduce or write as a decimal
Thirteen million, seven hundred thirty-seven thousand, three hundred thirty-two and ninety-nine hundredths.
thirty thirty-one thirty-two thirty-three thirty-four thirty-five thirty-six thirty-seven thirty-eight thirty-nine The pattern stays the same for forty fifty sixty seventy eighty ninety ninety-one ninety-two ninety-three ninety-four ninety-five ninety-six ninety-seven ninety-eight ninety-nine one hundred
nine quindecillion (quinquadecillion) nine hundred ninety nine quattuordecillion nine hundred ninety nine tredecillion nine hundred ninety nine duodecillion nine hundred ninety nine undecillion nine hundred ninety nine decillion nine hundred ninety nine nonillion nine hundred ninety nine octillion nine hundred ninety two septillion one hundred thirty sextillion three hundred three quintillion two hundred thirteen quadrillion thirty trillion three hundred three billion two hundred one million three hundred three thousand thirty
five hundred ninety-six thousand, three hundred thirteen.
Thirty-three point ninety-three.
The number 390.33 is "three hundred ninety and thirty-three hundredths." The currency value $390.33 is "three hundred ninety dollars and thirty-three cents."
Three hundred ninety-one thousand, thirty-two.
Ninety-four and thirty-three hundredths.
The answer s 30.