Question

1) Qual o valor da adição dessas frações 6/8 + 5/7= *

a)33/8

b)11/15

c)11/56

d)41/28

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Answer 1

$6/8+5/7\\\\\frac{6}{8} + \frac{5}{7} \\\\6+5=11\\8+7=15\\\\11/15\\\\Resposta=\frac{11}{15} \\alternativa \ b)11/15$