13 per 4 dikali 2 per 5 dikali 10 per 6

13/4 x 2/5 x 10/6
13/4 x 2/5 x 5/3
13/2 x 1/5 x 5/3
13/2 x 1 x 1/3
13/6

13/4 × 2/5 × 10/6 =
26/20 × 10/6 =
260/120 = 2 20/120 = 2 1/6

Smoga membantu :))