It is: 3 and 140
83/90 is in its simplest form.
The simplest form of 16/90 is 8/45
121/90 is already in its simplest form
84/90 in simplest form is 14/15. :-)
The simplest form for 81 over 90 is 9/10
It is: 18/90 = 1/5 in its simplest form
1 over 90 is already in it's simplest form.
28 over 90 in its simplest form is 14 over 45.
Since the numerator of the fraction is prime, and the denominator is not a multiple of the denominator, the proper fraction 31/90 is already expressed in its simplest form.
90/5 is 18/1 in its simplest form which is the same as 18
90% = 9⁄10
90/150 = 3/5