Question

Caucule o valor de 18/7 + 1/3 - 3/5

Answer 1

18/7 +1/3 -3/5 =
MMC = 105

270 + 35 - 63
------------------ =
        105
242
-----
105

Answer 2

$\frac{18}{7} + \frac{1}{3} - \frac{3}{5}$

MCM (3,7,5) = 105

$\frac{(15*18)+(35*1)-(21*3)}{105} \\ \\ \frac{270+35-63}{105} \\ \\ \frac{305-63}{105} \\ \\ \frac{242}{105} \\ \\ Bye!$