Question

11/12 -5/6+3/9 fracoes

Answer 1

mmc(12, 6, 9)=2²3²=36

12 6 9|2

6 3 9|2

3 3 9|3

1 1 3|3

1 1 1

12.3=36 6.6=36 9.4=36

$\frac{3.11}{36}$-$\frac{5.6}{36}$+$\frac{4.3}{36}$=

$\frac{33}{36}$-$\frac{30}{36}$+$\frac{12}{36}$

33-30+12=15

$\frac{15}{36}$=$\frac{5}{12}$

resposta:$\frac{5}{12}$