Proper fractions can't become whole numbers. Improper fractions can only become whole numbers if the numerator is a multiple of the denominator. To find out, divide the denominator into the numerator. If there is no remainder, it's a whole number.
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If the fraction, in its simplest form is not a whole number then you cannot change it into an equivalent whole number. And if you are not bothered about equivalence then you can replace it by any whole number that you like.
Any whole number into a fraction is whole number over 1. Whole number = x Fraction = x/1
Change the whole number into an improper fraction with the same denominator as the fraction and then subtract accordingly
You can't. A mixed number is the sum of a whole number and a proper fraction. 253 is a whole number, and if you split it up into a fraction, it would consist of a whole number and an improper fraction.
You change the mixed number to an improper fraction, multiply its denominator by the whole number. Then, if required, convert back to a mixed fraction.
This question looks a little turned around. You can't change a proper fraction to an improper one unless you add something to it and improper fractions don't have whole numbers. To change an improper fraction to a mixed number (a whole number with a fraction) divide the denominator into the numerator. The result is the whole number. The remainder gets put over the original denominator. 22/7 = 3 and 1/7