2 2/6 + 3/5= 3 5/8 + 1 3/4 × 2/5 = 8-4 2/6 = 3 5/10 + 25% = 2 7/8 - 3,5 =

2 2/6 + 3/5 = 14/6 + 3/5
= 7/3 + 3/5
= 35+9/15 = 44/15

1)2 2/6+3/5=7/3+3/5=44/15=2 14/15
2)3 5/8+1 3/4×2/5=7/4×2/5=14/20=7/10+3 5/8=29/8+7/10=173/40=4 13/40
3)8 - 4 2/6=8- 13/3=11/3=3 2/3
4)3 5/10 + 25%=7/2+25=7/2+7/8=875/200=4 3/8
5)2 7/8-3,5=23/8-3,5=25/40=5/8