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57/10 + 11/4 = 114/20 + 55/20 = 169/20 or 8 and 9/20

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5 7/10 + 2 3/4 is the same as 5 14/20 + 2 15/20

The answer would be 7 and 29/20ths - Simplified 8 and 9/20ths

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11y ago
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Q: What is five and seven tenths plus two and three fourths?
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