1. Oblicz: 2 2/3 : 6/7 = 4 1/3 : 3/5 = 3 3/4 :2/3 = 1 1/2 : 1 2/3 = 4/5 : 1 1/6 = 9/20 : 2 5/7 = 2. Oblicz (pamiętaj o możliwości skracania): 15/18 : 3/8 = 4/5 : 3/10 = 49/6 : 7/8 = 4 4/9 : 2 2/3 = 1 1/5 : 3 3/4 = 5 : 7 1/2 = Pomożesz ?

2 i 2/3 : 6/7 = 8/3 * 7/7 = 28/9 = 3 i 1/9 4 i 1/3 : 3/5 = 13/3 * 5/3 = 65/9 = 7 i 2/9 3 i 3/4 : 2/3 = 15/4 * 3/2 = 45/8 = 5 i 5/8 1 i 1/2 : 1 i 2/3 = 3/2 * 3/5 = 9/10 4/5 : 1 i 1/6 = 4/5 * 6/7 = 24/35 9/20 : 2 i 5/7 = 9/20 * 7/19 = 63/380 15/18 : 3/8 = 15/18 * 8/3 = 40/18 = 2 i 4/18 = 2 i 2/9 4/5 : 3/10 = 4/5 * 10/3 = 8/3 = 2 i 2/3 49/6 : 7/8 = 49/6 * 8/7 = 28/3 = 9 i 1/3 4 i 4/9 : 2 i 2/3 = 40/9 * 3/8 = 5/3 = 1 i 2/3 1 i 1/5 : 3 i 3/4 = 6/5 * 4/15 = 24/75 = 8/25 5 : 7 i 1/2 = 5/1 * 2/15 = 2/3