Tính giá trị biểu thức: (31/6/13 + 5/9/41) - 36/6/13

\(\left(31\frac{6}{13}+5\frac{9}{41}\right)-36\frac{6}{13}\)

\(=31\frac{6}{13}+5\frac{9}{41}-36\frac{6}{13}\)

\(=\left(31\frac{6}{13}-36\frac{6}{13}\right)+5\frac{9}{41}\)

\(=-5+\frac{214}{41}=\frac{9}{41}\)