Integer add to fraction

7 is added to the sum of 4/5 and 6/7

Correct answer:

x =  8.6571

Step-by-step explanation:

$$\begin{gathered} s={\displaystyle \frac{4}{5}}+{\displaystyle \frac{6}{7}}={\displaystyle \frac{58}{35}}=1\frac{23}{35}\doteq 1.6571 \\ x=7+s=7+1.6571={\displaystyle \frac{303}{35}}=8\frac{23}{35}=8.6571 \end{gathered}$$

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