Converting the fractions approximately to decimals gives 6/7 ≈ 0.857, 5/6 ≈ 0.833, 4/5 = 0.8, 3/7 ≈ 0.429, 2/5 = 0.4, and 1/3 ≈ 0.333. Each value is smaller than the one before it, so the sequence 6/7, 5/6, 4/5, 3/7, 2/5, 1/3 is in descending order.