486/7 = 69.428571 recurring (that is, 69.428571428571...)
486 divided by 7 with a remainder = 69.42857142857143
0.0432
486
37.3846
54
97.2
0.037
0.0556
0.0021
13.5
60.75
To divide by a fraction, multiply by its reciprocal. In this instance, 486 / 2/3 = 486 x 3/2 = 729.