Calculator.
Or turn .42 to 42 and 6 to 600 and work from there then divide by 100 in the end.
1.5
20.8333
166
80.6667
5 divided by 6 = 0.833333 recurring That makes the answer 2.833333 or 2 and 5/6 = 17/6 17 divided by 6 = 2.833333
6 divided by 166 show you work = 0.03614457831325301
0.3
1.5
20.8333
166
153
0.0118
80.6667
6
0.001
0.0175
.204