Question

me ayudan es para mañana ​

Answer 1

Respuesta:

Listo♧

Explicación paso a paso:

a)

$\frac{3}{4} - ( \frac{4}{7} + \frac{1}{8} )$

$\frac{3}{4} - ( \frac{32 + 7}{56} )$

$\frac{3}{4} - \frac{39}{56}$

$\frac{42 - 39}{56}$

$\frac{3}{56}$

b)

$\frac{1}{2} - ( - \frac{4}{5} + \frac{1}{15} )$

$\frac{1}{2} - ( - \frac{11}{15} )$

$\frac{1}{2} + \frac{11}{15}$

$\frac{15 + 22}{30}$

$\frac{37}{30}$

c)

$( - \frac{4}{7} + \frac{1}{6} ) + \frac{2}{21}$

$(\frac{ - 24 + 7}{42} ) + \frac{2}{21}$

$\frac{ - 17}{42} + \frac{2}{21}$

$\frac{ - 17 + 4}{42}$

$\frac{ - 13}{42}$

d)

$\frac{2}{3} + ( \frac{5}{6} + \frac{1}{2} )$

$\frac{2}{3} + ( \frac{5 + 3}{6} )$

$\frac{2}{3} + \frac{8}{6}$

$\frac{4 + 8}{6}$

$\frac{12}{6}$

$2$