Janu has only a piece of butter. She needs to cook 4 variety of dishes. She needs to use butter for cooking. How she will divide the butter for each dish?

Given:
Janu has = 1 piece of butter
To find:
The amount of butter that should be shared for 4 dishes
Solution:
Janu has 1 piece of butter. 
she needs to divide them equally for 4 dishes.
The fraction can be written $\frac{1}{4}$   of butter for each dish.
Hence, the correct option is  A