12/70 - 19/42 = 0.17142 - 0.45238 = -0.28096
42 subtracted by 60 = -18
-5/12 − 19/42 = -73/84
12/42 = 2/7
57/42 = 19/14
2/7 = 12/42 5/6 = 35/42 12/42 + 35/42 = 47/42 or 1 and 5/42
It is 9 times when it is subtracted from 42 and until reached 0
35/42 - 12/42 = 23/42
72/42 = 12/7
-861
12/42 = 2/7
A little over 19 kgs.
42/12 = 7/2 = 31/2 or 3.5