Rút gọn C = \(\frac{1.5.6 + 2.10.12 + 4.20.24 + 9.45.54}{ 1.3.5 + 2.6.10 + 4.12.20 + 9.27.45}\)

giúp mk vs ạ
----- Nội dung ảnh -----
c) C = \(\frac{1.5.6 + 2.10.12 + 4.20.24 + 9.45.54}{ 1.3.5 + 2.6.10 + 4.12.20 + 9.27.45}\)