Yes, to 2/9
1820 over 54 reduced = 910/27
54 over 100 can be reduced to 27/50
59/12 is in its simplest form.
15/12 = 5/4
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 6, 12/54 is equal to 2/9 or two ninths.
4/5
54/72 = 3/4
Exactly as in the question 12/23
54/78 = 9/13
54% = 27/50
215/12