[tex] - 2 \frac{1}{5} + \frac{3}{4} [/tex].... Question from @isaacsantiagomarmole

May 2021 1 7 Report

[tex] - 2 \frac{1}{5} + \frac{3}{4} [/tex]

Vrrv

Hola!!!

Primero convertimos de número mixto a fracción

$- 2 \frac{1}{5} = \frac{5 ( - 2) + 1}{5} = - \frac{ 9}{5} \\$

Ahora resolvemos:

$- \frac{9}{5} + \frac{3}{4} = \frac{ - 9(4) + 5(3)}{5(4)} = \frac{ - 36 + 15}{20} = - \frac{21}{20} \\$

Saludos

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