Question

odejmijcie mi ulamki zwykle.

7/9-2/3 =

6-37/40 =

7/12-4/8 =

3/7-5/14 =

15/18-3/4 =

51 3/22-19 5/33

20/13-4/5-1/3

Answer 1

7/9-2/3= 7/9-6/9 =1/9

6-37/40 = 3/40

7/12-4/8= 14/24-12/24=2/24= 1/12

3/7-5/14 =     6/14- 5/14= 1/14    

15/18-3/4 =  30/36- 27/36 = 3/36 =1/12

51 3/22-19 5/33=51 9/66 - 19 10/66 = 31 65/66

20/13-4/5-1/3= 300/195-156/195-65/195 =79/195

Answer 2

7/9-2/3= 7/9- 6/9=1/9

6-37/40=5 i 3/40

7/12-4/8=14/24 - 12/24= 2/24=1/12

3/7-5/14=6/14-5/14=1/14

15/18-3/4=30/36-27/36=3/36=1/12

51 3/22-19 5/33=1125/22-632/33=3375/66-1264/66=2111/66=31 i 65/66

20/13-4/5-1/3=300/195-156/195-65/195=79/195

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