3 4/7 -2 3/5

Interpretation: 3 4/7 − 2 3/5.

Method 1 (improper fractions):

• 3 4/7 = 25/7, 2 3/5 = 13/5
• 25/7 − 13/5 = (125 − 91)/35 = 34/35

Method 2 (keep whole numbers separate):

• (3 − 2) + (4/7 − 3/5) = 1 + (20/35 − 21/35) = 1 − 1/35 = 34/35

Final answer: 34/35 (≈ 0.9714).