Question

Sa se calculeze : (3/4+5/6) x 24/57 si (13/12-11/15) x 40/49

Answer 1

$(\frac{3}{4} + \frac{5}{6}) \times \frac{24}{57} = \frac{19}{12} \times \frac{8}{19} = \frac{2}{3} \\ \\ ( \frac{13}{12} - \frac{11}{15}) \times \frac{40}{49} = \frac{7}{20} \times \frac{40}{49} = \frac{2}{7}$

Answer 2

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