2.49 = 2 49/100
249/100. "Percent" always means over 100.
4.98 = 498/100 = 249/50
249/200
0.4 as a fraction and decimal
A decimal number is one in which the place value of each digit is ten times the place value of the digit to its right. (... , thousands, hundreds, tens, units, tenths, hundredths, ... ) A decimal point is used to separate the units from the tenths. If a number in decimal form has non-zero digits after the decimal point then it is a decimal fraction. [There is one esoteric exception: if the decimal point is followed by an infinite string of 9s, then it is not a decimal fraction.] Thus 37.6 is a decimal fraction 0.6 is a decimal fraction 0.00000063 is a decimal fraction 37 is not a decimal fraction. 37.0 is not a decimal fraction. 37.999... recurring is no a decimal fraction [it is in fact = 38].
-24.9 = -249/10 ( = -249/10 as an improper fraction)
0.249 in fraction form is 249/1000. This fraction is already the simplest form.
0.498 as a fraction simplified is 249/500.
249/100. "Percent" always means over 100.
a decimal fraction means a fraction that changes into a decimal or a decimal that changes into a farction
249/20 = 12.45
4.98 = 498/100 = 249/50
It is: 22/249 times 100 = 8.84% rounded to two decimal places
2.49 = 249%
249/200
249/250
0.21 is a decimal fraction.