Tolong bantu kakk mohon bantu kakak-kakak yang baikk.

6.) 4 8/9-2 1/6-1 1/2=4 16/18-2 3/18-1 9/18
= 1 4/18
=1 2/9
7.)8 9/10-3 1/4-2 2/5=8 18/20-3 5/20-2 8/20
=3 5/20
=3 1/4
8.)6 11/12-2 1/6-2 1/8=6 22/24-2 4/24-2 3/24
=2 15/24
=2 5/8
9.)7 3/4-2 1/12-2 1/3=7 9/12-2 1/12-2 4/12
=3 4/12
=3 1/3
10.)9 10/12-2 1/4-1 1/6=9 10/12-2 3/12-1 2/12
=6 5/12