6/7 = 18/21 + 1/21 = 19/21
common divisor is 3 and 1 6 divided by 3 = 2 6 divided by 1 = 6 15 divided by 3 = 5 15 divided by 1 = 15 21 divided by 3 = 7 21 divided by 1 = 21
0.2857
6
0.035
21
3.5
1.2857
0.75
126 is the answer.
6/126 = 2/42 = 1/21
14 times 9 is 126, and that divided by 6 is 21.