1) 0,5 + 1/3=
2) 2/3 - 0,25=
3) 0,125 + 5/12=
4) 3,25 - 2 целых 9/14=

0,5+ 1/3= 5/10 + 1/3= (15+10)/30 = 25/30 = 5/6

2/3-0,25= 2/3-25/100= 2/3 - 1/4 = (8-3)\12 = 5/12

0,125+5/12 = 125/1000+ 5/12 = 1/8 + 5/12 = (3+10)/24 = 13/24

3,25-2 9/14 = 3 1/4 - 2 9/14 = 13/4 - 37/14 = (91-74)/28 = 17/28

Пошаговое объяснение:

ᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠ