Calculate $70$ to the power of $7$ and get $8235430000000$.
$$\frac{1}{8235430000000}+\frac{1}{10}$$
Least common multiple of $8235430000000$ and $10$ is $8235430000000$. Convert $\frac{1}{8235430000000}$ and $\frac{1}{10}$ to fractions with denominator $8235430000000$.