5/7-1/6. 3/4-1/3. 1/8+1/4. 2/3-5/9. 1/2-5/12. 3/4-1/6. 5/9+3/4 решите пожалуста пжжж

1)0.7-0.1=0.62)0.75-0.33=0.423)0.125+0.25=0.3754)0.6-0.5=0.15)0.5-0.4=0.16)0.75-0.16=0.597)0.55+0.75=1.3