If you are using the same number, then the improper fraction and mixed number are equal.
Improper Fraction.
43 is an integer, not an improper fraction nor a mixed number.
A mixed number can be changed into an improper fraction
First you would want to change the mixed number to an improper fraction. Then you can subtract
One and one third is the mixed number, four thirds is the simplified improper fraction.
If you are using the same number, then the improper fraction and mixed number are equal.
Improper Fraction.
To convert a mixed number to an improper fraction, multiply the denominator by the whole number, add that total to the numerator and put the whole thing over the original denominator. 20/9
43 is an integer, not an improper fraction nor a mixed number.
By changing the mixed number into an improper fraction.
A mixed number can be changed into an improper fraction
First you would want to change the mixed number to an improper fraction. Then you can subtract
To convert a mixed number to an improper fraction multiply the whole number by the denominator of the fraction and add the numerator of the fraction to give the numerator; the denominator is the same as the denominator of the fraction: 5 2/9 = (5×9+2)/9 = 47/9
Yes, it can. In fact every mixed number has an equivalent improper fraction.
A mixed number is a whole number and a fraction. It can be rewritten as an improper fraction.
Convert the mixed number into an improper fraction then divide the fraction and improper fraction as normal (invert the divisor and multiply) and simplify the result (including converting any improper fraction into a mixed number)