8/9
To 4/27
Yes, as 57/120 can be reduced to 19/40.
81/93 = 27/31 by dividing the numerator and denominator by 3
10/11
Divide by 12: 3/10
Divide by 10/10 Get 120
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 3, 81/120 is equal to 27/40 or twenty-seven fortieths.
120
3..
81 is a square number
Since 81 is divisible neither by 2 nor 4, no it cannot. It can, however, be converted to 20 1/4 (Twenty and one fourth)