Question

Ayúdame con la tarea de matemáticas ​

Answer 1

Respuesta:

a. $\frac{7}{6}+\frac{2}{5}=\frac{35+12}{30}=\frac{47}{30}$

b. $\frac{1}{7}+\frac{1}{8}=\frac{8+7}{56}=\frac{15}{56}$

c. $\frac{7}{13}+\frac{5}{10}=\frac{14+13}{26}=\frac{27}{26}$

d. $\frac{7}{5}-\frac{1}{3}=\frac{21-5}{15}=\frac{16}{15}$

e. $\frac{8}{7}-\frac{9}{11}=\frac{88-63}{77}=\frac{25}{77}$

De nada

Answer 2

Respuesta:

a.  $\frac{7}{6} +\frac{2}{5} =\frac{35+12}{30} =\frac{47}{30}$

b.  $\frac{1}{7} + \frac{1}{8} = \frac{8+7}{56} =\frac{15}{56}$

c.  $\frac{7}{13} +\frac{5}{10} =\frac{70+65}{130} =\frac{135}{130} = \frac{27}{26}$

d.  $\frac{7}{5} -\frac{1}{3} =\frac{21-5}{15} =\frac{16}{15}$

e.  $\frac{8}{7} -\frac{9}{11} =\frac{88-63}{77} =\frac{25}{77}$