50/45 is an improper fraction. 1 and 1/9 is an equivalent mixed number in lowest form.
1 and 21/50 is in its simplest form.
When 1.26 is written as a fraction, the result is 63/50. Written as a mixed fraction, the result is 1 13/50.
The mixed number for the fraction 24 over 18 is 1 and 1/3
To write 50 as a fraction, you can use the whole number, 50, as the numerator and 1 as the denominator, giving you 50/1. To simplify this fraction, divide both the numerator and denominator by their greatest common divisor, which is 1. Therefore, the simplest form of 50 as a fraction is 50/1 or simply 50.
21 over 5 as a mixed fraction is 4 1/5.
21 is less than 50 and so there is no sensible way to represent it as a mixed number. If pushed, though, you could try 0 21/50 , but with the integral part as zero, not everyone would agree that it is a mixed number.
3 and 1/50
The absolute value of 1 over 8 is less than 1 and so it cannot be expressed as a mixed fraction.
50 is an integer and so there is no sensible way of representing it as a mixed fraction. If you want it as a mixed fraction of some other quantity then you need to specify that second quantity.
1 and 37/50 or 87/50
It is 1 and 31/50 as a mixed number