tolong jawab dari no 1 sampek no 6 pakek caraa pliss jawab yaa

2. 2 3/5 - 2/3= 13/5-2/3= 39-10/15=19/15=1,27
3. 2 2/5+1/4=12/5+1/4= 48+6/20=54/20=2,7
4. 1 4/7*5/9=11/7*5/9= 77*35/63=2.695/63=42,8
5. 2/3:5 1/8=2/3:41/8=16:123/24=0,005
maaf klo jawabannya salah