\begin{tabular}{l} Add. Write your answer as a mixed number in simplest form. \ $$ \qquad 8 \frac{7}{10}+6 \frac{9}{10} $$ \ \hline\end{tabular}

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Calculate or simplify the expression $$ 8+\frac{7}{10}+6+\frac{9}{10} $$.
Calculate the value by following steps:
- step0: Calculate:
  $$8+\frac{7}{10}+6+\frac{9}{10}$$
- step1: Add the numbers:
  $$14+\frac{7}{10}+\frac{9}{10}$$
- step2: Reduce fractions to a common denominator:
  $$\frac{14	imes 10}{10}+\frac{7}{10}+\frac{9}{10}$$
- step3: Transform the expression:
  $$\frac{14	imes 10+7+9}{10}$$
- step4: Multiply the numbers:
  $$\frac{140+7+9}{10}$$
- step5: Add the numbers:
  $$\frac{156}{10}$$
- step6: Reduce the fraction:
  $$\frac{78}{5}$$
The sum of $$8 \frac{7}{10} + 6 \frac{9}{10}$$ is $$15 \frac{3}{5}$$ or $$15.6$$.
The sum is $$15 \frac{3}{5}$$ or $$15.6$$.

Add. Write your answer as a mixed number in simplest form.

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