Explanation:
It is given that,
In March, the precipitation was 4 3/4 inches less than average and for April, the precipitation was 1 1/2 inches less than average.
We need to find how many inches below average was the precipitation for both March and April.
To find it add 4 3/4 inches and 1 1/2 inches. So,

So, for both March and April, the precipitation was
less than average.