[tex]\dfrac{11}{13}+\dfrac{1111}{1313}+\dfrac{111111}{131313}+\dfrac{11111111}{13131313}=\dfrac{11}{13}+\dfrac{11\cdot 101}{13\cdot 101}+\dfrac{11\cdot10101}{13\cdot 10101}+\dfrac{11\cdot1010101}{13\cdot 1010101}=\\\\=4\cdot\dfrac{11}{13}=\dfrac{44}{13}.[/tex]
Green eyes.