\(\frac{1}{2} + \frac{1}{6} + \frac{1}{{12}} + \frac{1}{{20}} + \frac{1}{{30}} + \frac{1}{{42}} + \frac{1}{{56}} + \frac{1}{{72}} + \frac{1}{{90}}\) का सरलतम मान है
1
\(\frac{1}{10}\)
2
\(\frac{1}{9}\)
3
\(\frac{8}{9}\)
4
\(\frac{9}{10}\)
\(\frac{1}{2} + \frac{1}{6} + \frac{1}{{12}} + \frac{1}{{20}} + \frac{1}{{30}} + \frac{1}{{42}} + \frac{1}{{56}} + \frac{1}{{72}} + \frac{1}{{90}}\) का सरलतम मान है