Answer:
56
Step-by-step explanation:
Let the required common multiplier of the given ratios be x.
Therefore, the required numbers are 5x and 7x.
According to the given information:
5x + 7x = 96
12x = 96
x = 96/12
x = 8
7x = 7*8 = 56
Thus, the largest number is 56.
