3/5-(-2 1/2)

Compute: 3/5 - (-2 1/2) = 3/5 + 2 1/2.

• Convert 2 1/2 to improper fraction: 2 1/2 = 5/2
• Add: 3/5 + 5/2. Common denominator 10:
  • 3/5 = 6/10
  • 5/2 = 25/10
  • Sum = 31/10

So, 3/5 - (-2 1/2) = 31/10 = 3 1/10 = 3.1.