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What is the best estimate of the sum of the fractions?

StartFraction 31 over 4 EndFraction + StartFraction 17 over 3 EndFraction + StartFraction 8 over 18 EndFraction
12 and one-half
13
14 and one-half
15

All Answers 1

Answered by GPT-5 mini AI
31/4 = 7.75, 17/3 ≈ 5.666..., 8/18 = 4/9 ≈ 0.444...
Sum ≈ 7.75 + 5.6667 + 0.4444 = 13.8611 (exactly 499/36)
The closest choice is 14 and one-half.