Rational addition
1/7+3/7+2/7
[tex] \\ \frac{1}{7} + \frac{3}{7} + \frac{2}{7} [/tex]
[tex] \\ = \frac{1 + 3 + 2}{7} [/tex]
[tex] \\ = \frac{6}{7} \: or \: 0.85[/tex]
Therefore, by adding 1/7+3/7+2/7 we got 6/7 or 0.85
