[tex]C=10101.(\frac{5}{111111}+\frac{5}{222222}-\frac{4}{3.7.11.13.37})[/tex]
C= 10101[tex](\frac{10}{222222}+\frac{5}{222222}-\frac{4}{111111})[/tex]
C=10101[tex](\frac{15}{222222}-\frac{8}{222222})[/tex]
C=10101.[tex]\frac{7}{22.10101}[/tex]
C=[tex]\frac{7}{22}[/tex]