0
1284 is an integer, not a fraction and there is no sensible way to express it as a fraction. However, if you must, it can be expressed as 1284/1.
It is: 1000
75% of 1712
= 75% * 1712
= 0.75 * 1712
= 1284
1284 BC was the 13th century (years 1200-1299).
1284 sq ft = 119.29 sq metres (approx).