Question

Resolva as operações: 11,73 + 8,7 = ?​

Answer 1

$\sf = 11.73 + 8.7$

$\sf = \frac{1173}{100} + \frac{87}{10}$

$\sf = \frac{1173 + 870}{100}$

$\sf = \frac{2043}{100}$

$\sf = \purple{20.43}$

Espero ter ajudado !!