błagam pomóżcie jak najszybciej!!! te 2 zadania 5 i 6 !!!!!!!!!!!!!!!!!! klasa 5

3 i 1/3 : 1 * 3/10 = 10/3 * 1 * 3/10 = 10/3 * 3/10= 1 4 i 7/9 : 5 i 3/7 * 0 = 0 1 : 5/8 * 5/8 =1 * 8/5 * 5/8 = 1 * 1 = 1 zad5 5/9 * 3/12 * 3/10 = 5/9 * 3/40 = 1/24 5/16 : 12/5 * 8/25 = 5/16 * 5/12 * 8/25 = 5/16 * 2/15 = 1/24 10/21 * 1/5 : 16/7 = 10/21 * 1/5 * 7/16 = 2/21 * 7/16 = 1/24 7/18 * 15/24 * 6/35 = 7/18 * 3/28 = 1/24