Question

Qual o Número racional expresso por (2/3-1/4) + (5/8-1/4)

Answer 1

(2/3 - 1/4) + (5/8-1/4) =
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MMC (3,4) = 12
MMC (8,4) = 4
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5/12 + 3/8 =
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MMC (12,8) = 24
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5/12 + 3/8 = 19/24

Resposta: 19/24 ou 0,7917