A floor that is 3 3/4 yards wide and 5 1/2 yards long requires 20 5/8 square yards of hardwood flooring area.
length = 5 1/2 yd, breadth = 3 3/4 yd.
Make fractions out of both measurements first.
3 3/4 = 3 + 3/4
= 12/4 + 3/4
= 15/4
5 1/2 = 5 + ½
= 10/2 + ½
= 11/2
Area = (15 * 11)/(4 * 2) yd2
Area = 165/8 yd2
They essentially believed that 165/8 = 20 leftover 5 area = 20 5/8 yd2.
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