11) 26/9 * 15/2 / 13/3

1. Convert division to multiplication by the reciprocal: (26/9) * (15/2) * (3/13).

2. Multiply the numerators and denominators: (26 * 15 * 3) / (9 * 2 * 13).

3. Simplify the expression: (1170) / (234) = 5.