1820 over 54 reduced = 910/27
54 over 100 can be reduced to 27/50
54/78 = 9/13
8055/78 cannot be reduced.
It is: 54/78 times 100 = 69.23% to two decimal places
Since both numbers are even numbers, yes 78/80 can be reduced.
54% of 78= 54% * 78= 0.54 * 78= 42.12
54/180 = 3/10
48/54 = 8/9
54/99 = 6/11
54/140 = 27/70
6/7