Question

Oblicz
d) 3 2/9 - 1 5/6 =
5 2/7 - 2 3/4 =
2 1/3 - 1 5/7 =
Za dobrą odp naj

Answer 1

D) 3 2/9 - 1 5/6 = 3 4/18 - 1 15/18 = 2 22/18 - 1 15/18 = 1 7/18
5 2/7 - 2 3/4 = 5 8/28 - 2 21/28 = 4 36/28 - 2 21/28 = 2 15/28
2 1/3 - 1 5/7 = 2 7/21 - 1 15/21 = 1 28/21 - 1 15/21 = 13/21 

Answer 2

1.  3 2/9 - 1 5/6 =  3 4/18   -   1  15 /18  =  1 7/18
2.   5 2/7  - 2 3/4 =  5 8/28 - 2 21/28  =  2 15/28  
3.  2 1/3  - 1 5/7 = 2  7/21  - 1 15/21 = 13/21
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