- -2/5 - -3/10 - -4/7
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Step-by-step explanation: - - 2/5 - - 3/10 - - 4/7
+ 2/5 + 3/10 + 4/7 ( - of - = +)
2/5 = 140/350
3/10 = 105/350
4/7 = 200/350
(140 + 105 + 200) / 350
595/350
17/10 = 1.7
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