In the given question total number of ducks swimming in the pond is given as 7.
Out of these 7 ducks 3 have green wings and 4 have blue wings.
We need to find the fraction of ducks who have green wings.
The fraction of ducks having green wings can be found by dividing the number of ducks with green wings by the total number of ducks.
The number of green wings duck will be the numerator and the total number of ducks will be the denominator of the fraction.
Fraction of ducks which have green wings =
