Answer:
ratio of manga to anime: 7 : 56
Step-by-step explanation:
- ratio of manga to light novels was 7 : 6
- ratio of light novels to anime was 3: 28
Here we see light novels common in both, but has different ratio, in order to make them same and join them together, equal the ratio to "6", for light novels.
→ manga to light novels: ( 7 : 6 ) * 1 → novels to anime: ( 3: 28 ) * 2
→ 7 : 6 → 6 : 56
- ratio of manga to anime: 7 : 56