1 X 1428= 1428
714 X 2= 1428
238 X 6= 1428
178.5 X 8=1428
1429 - 1=1428
1427 + 1=1428
1430 - 2=1428
1426 + 2=1428
1434 - 6=1428
1422 + 6=1428
1436 - 8=1428
1420 - 8=1428
There are more ways to get 1428, but I just don't have the time. By the way I did all of this with a calculator on my computer so whoever asked this question was acting pretty dumb.
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If you mean: 14/28 then it is 1/2
you can make them all using 1, 1-1=0 1=1 1+1=2 1+1+1=3 etc.
4^2+3+1
(4 + 3 + 1) x 2 = 16
2+2+2+2+2+2+2+1 or 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1