Step-by-step explanation:

Cows = 60-10+5=45

He have 5 ducks and 45 cows.

Ducks = 10

Fraction of ducks = 10/60= 1/6

The fraction of ducks are 1/6.

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Answer:

There are 5 sheep's and 45 cows. 1/6 of his animals aer ducks