Question

1. Realiza las operaciones:

Answer 1

a)

$\frac{13}{5} + \frac{11}{4} - \frac{43}{10} = \\ \frac{4 \times 13 + 5 \times 11 -2 \times 43}{20} \\ \frac{52 + 55 - 86}{20} = \frac{21}{20}$

b)