Add the letter "n" after the first article. That is, change "a" to "an".
It is: 11.13 = 1113/100 as an improper fraction
You cannot.
No.
Some numbers are improper fractions and some are not. For example, 1/2 or 0.5 is a number but not an improper fraction. And there is no way in which you can express it as an improper fraction.
You cannot change 3/5 into an improper fraction. An improper fraction has a numerator that is greater than the denominator.
It is: 3127/1000 as an improper fraction
3/1 is an improper fraction.
twelve eighths is already in improper fraction, an improper fraction is a fraction which has a numerator (top number) larger than the denominator (bottom number)
You change them into improper or topheavy fractions.
First you would want to change the mixed number to an improper fraction. Then you can subtract
If you mean 4 and 2/3 then it is 14/3 as an improper fraction