420 - 210 = 210 630 - 420 = 210 840 - 630 = 210
200 minus 210 = -10
210 divided 6405 = 0.03278688524590164
3
0.419
6
210
7.2414
Well, honey, to change 210 into a mixed number, you divide 210 by the denominator of the fraction you want. So, if you want it as a fraction, it's 210/1. If you want it as a mixed number, it's 210 divided by 1 which equals 210 with a remainder of 0, so the mixed number is 210.
3.5 divided by 210 equals approximately 0.01667.
0.4
210