Ответ:
\[2.4-\frac5{34}-1.6-\frac7{17}=0.8-\left(\frac5{34}+\frac{14}{34}\right)=0.8-\frac{19}{34}=\frac45-\frac{19}{34}=\frac{136-95}{170}=\frac{41}{170}.\]
Ответ: \(\frac{41}{170}\).
\[2.4-\frac5{34}-1.6-\frac7{17}=0.8-\left(\frac5{34}+\frac{14}{34}\right)=0.8-\frac{19}{34}=\frac45-\frac{19}{34}=\frac{136-95}{170}=\frac{41}{170}.\]
Ответ: \(\frac{41}{170}\).