c) 60 x (5 sobre 12) - (13 sobre 30 ).... Question from @majo8667

majo8667 @majo8667

May 2021 1 28 Report

c) 60 x (5 sobre 12) - (13 sobre 30 )

Elizabethmartinez941

Respuesta:

$60 \times \frac{15}{12} - \frac{13}{30 }$

$\frac{15}{12} - \frac{13}{30} = \frac{(15 \times 30) - (12 \times 13)}{12 \times 30} = \frac{450 - 156}{360} = \frac{294}{360} = \frac{49}{60}$

$60 \times \frac{49}{60} = \frac{60 \times 49}{1 \times 60} = \frac{2940}{60} = 49$

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