Respuesta :

1 1/9 because 5 2/3 = 51/9 and 4 5/9 = 41/9 so 51/9 - 41/9 = 1 1/9
The difference is 1 1/9
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5 + 2/3 - 4 - 5/9
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5 - 4 = 1
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2/3 - 5/9 = ?
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LCD = 9 
6/9 - 5/9 = 1/9
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1 + 1/9 = 1 1/9

 ~James