Question

Pomocy!! Oblicz 4 i 1/8 - 1 i 2/8=

8 i 7/9 - 6 i 8/9 =

8 i 3/20 - 1 i 17/20=

6 i 6/25 - 5 i 8/25=

3 i 11/13- 12 i 12/13=

daje naj

Answer 1

4 i 1/8 - 1 i 2/8= 33/8-10/8=23/8=2 7/8

8 i 7/9 - 6 i 8/9 = 79/9-62/9=17/9=1 8/9

8 i 3/20 - 1 i 17/20= 163/20-37/20=126/20= 6 6/20=6 3/10

6 i 6/25 - 5 i 8/25= 156/25-133/25= 23/25

3 i 11/13- 12 i 12/13=50/13-168/13=-118/13=-9 1/13