Problem
Solution
For this case we need to do the following conversion:


And the total yards^2 are:
0.404 +1.017= 1.421 yd^2 rounding we got: 1.50 yd^2
Final answer
After round the correct answer would be:
the gray fabric : 0.50 square yards
The burgundy fabric: 1.25 square yars
total yards= 1.75 square yards