Упростите 3 2/3a - 2 4/9a + 1 1/2a=

3 2/3a - 2 4/9a + 1 1/2a=3 6/9а-2 4/9а+1 1/2а=1 2/9а+1 1/2а=1 4/18а+1 9/18а=2 13/18а

[latex]3 \frac{2}{3} a-2 \frac{4}{9} a+5.5 a \\ \\ 3\frac{6}{9}a-2 \frac{4}{9} a=1 \frac{2}{9} a \\ \\ 1 \frac{4}{18}a+5 \frac{9}{18} a=6 \frac{13}{18} a[/latex]