Answer :
To find out how much rain was recorded for May and June, you need to add the amounts of rain recorded in May and June.
1. Add the amount of rain recorded in May (1.24 inches) to the amount recorded in June (1.28 inches):
1.24 + 1.28 = 2.52 inches
Therefore, a total of 2.52 inches of rain was recorded for May and June.
The operation required to solve this story problem is addition, as you need to add the amounts of rain recorded in May and June to find the total amount of rain for those two months.