Answer:
4 3/8 yards of material
Step-by-step explanation:
1. Convert both to same demonimators
1 3/4 = 1 6/8
2. Add the fractions together: 2 5/8 + 1 6/8 = 3 11/8
3. Convert the improper fraction to mixed number and add to the whole number (3).
4. 1 3/8 + 3 = 4 3/8