50 is an integer, not a fraction. So it cannot be changed to a fraction.
812 is an integer and not a fraction. There is no sensible way to express it as a fraction.
138 is an integer and not really a fraction but it can be expressed as a fraction: in the form 138/1
851 is an integer and cannot be written as a proper fraction.
To express an integer as a fraction, you simply put the integer over one. Because one is the multiplicative identity, this won't change the value. 6 = 6 / 1
24 is an integer. As a fraction, it is 24/1.24 is an integer. As a fraction, it is 24/1.24 is an integer. As a fraction, it is 24/1.24 is an integer. As a fraction, it is 24/1.
260 is an integer and not a fraction. However, it can be expressed in rational form as 260/1.
16 is an integer and so there is no sensible way to represent it as a mixed fraction.
127 is an integer, and as a decimal number, it is 127.
Multiply the numerator and the denominator by the same integer.
a negative integer or a fraction (as in 1/integer) or a negative fraction (as in -1/integer).
Yes. eg: a fraction -4/2 = -2 an integer