Question

3/4 - 6/5 + 1/3 Qual eh o resultado dessa fração

Answer 1

  3/4 - 6/5 + 1/3=    m.m.c.(4,5,3)=60
=45/60-72/60+20/60
=-7/60
ou
=-0,11666...

Answer 2

             $\frac{3}{4} -\frac{6}{5} + \frac{1}{3} \\ \\ = \frac{15x3-12x6+20x1}{60} \\ \\ = \frac{45-72+20}{60} \\ \\ = \frac{(-7)}{60} \\ \\ =- \frac{7}{60} \\ \\ 60=mmc(4,5,3)$