0.0229
The greatest (and only) co-factor of 70 and 16 is 2.
3
(50 / 70) divided by 25 = 2 / 70
7/16 divided by 9/10 = 7/16 x 10/9 = 70/144 You invert the divisor fraction, then do a multiplication instead of division.
15.5714
20.4571
7.3
21.4286
70
0.0189
1.4
2.8571