2.74 + 3.5 = 6.24
Answer
6.24
------------
- 1.5 - (-7.7)
= - 1.5 + 7.7
= 6.2
6.2
6.24, 2.74-(-3.5), 2 negatives make a positive. 6.2, -1.5-(-7.7) making 7.7 positive
