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
As an improper fraction 7 halves is 7/2
33/2 or 16 1/2
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.
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
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)
Cancellation cannot be used to convert a mixed number into an improper fraction.