98.43 = 98 43/100 = (98 * 100 + 43) / 100 = 9843/100
98 is ur whole number....now look at ur numbers to the right of the decimal....what place is ur 3 in ? The 4 is in the tenths place....the 3 is in the hundredths place....so that makes it 43/100...now include ur whole number...so its 98 43/100...now if u don't want a mixed number...change it to an improper fraction which would be 9843/100.