42/56 = 3/4
1,2,3,6,7,14,21,42
3
2x3x7
It is: 21
2
42 21,2 7,3,2
21
The GCF is: 6
They are 21 and 546 respectively
6 I believe.
If the improper fraction is greter than 0 it is the value of the improper fraction and if the improper fraction is less than 0, it is the negative of the value of the fraction.