Answer:
The sum of 3 1/4 and 6 3/4 is 10.
Explanation:
To add the mixed numbers 3 1/4 and 6 3/4, you can first convert them to improper fractions:
3 1/4 = 13/4
6 3/4 = 27/4
Now you can add the numerators and keep the same denominator:
13/4 + 27/4 = 40/4 = 10
So the sum of 3 1/4 and 6 3/4 is 10.