To add ( \frac{1}{7} ) and ( \frac{3}{21} ), first convert ( \frac{3}{21} ) to a fraction with a denominator of 7. Since ( \frac{3}{21} = \frac{1}{7} ), the addition becomes ( \frac{1}{7} + \frac{1}{7} = \frac{2}{7} ). Thus, ( \frac{1}{7} + \frac{3}{21} = \frac{2}{7} ).
85over7
1.55 is.
4/5
5/6
10/14=5/7
6/4 or 1 and 1/2
37.5%
.75
0.6
50%
0.12
0.375