Fraction as a decimal.

1) 63/17500

2) 102/125

63 / 17500 =

7 * 9 / ( 7 * 2500 ) =

9 / 2500 =

4 * 9 / ( 4 * 2500 ) =

36 / 10000 = 0.0036

102 / 125 =

8 * 102 / ( 8 * 125 ) =

816 / 1000 = 0.816