zadanie z matematyki dam naj plis proszę pomóżcie zadanie w załączniku

1) 8 1/6 2)8 1/5 3)2/27 4)6 29/30 5) 9

6 7/8 + 2 5/12 = 6 21/24 + 2 10/24 = 8 31/24 = 9 7/24 4 3/5 + 3 1/3 + 4/15 = 4 9/15 + 3 5/15 + 4/15 = 5 1/15 14/27 - 4/9 = 14/27 - 12/27 = 2/27 13 5/6 - 6 13/15 = 13 6/30 - 6 26/30 = 12 36/30 - 6 26/30 = 6 10/30 2 5/8 x 3 3/7 = 21/8 x 24/7 = 9 5 5/6 x 1,4 = 35/6 x 1 4/10 = 35/6 x 14/10 = 8 1/6 2 1/2 : 3 3/4 = 5/2 : 15/4 = 5/2 x 4/15 = 2/3 5,6 : 7/8 = 5 6/10 : 7/8 = 56/10 : 7/8 = 56/10 x 8/7 = 6 2/5