To convert the decimal $0.7$ to a fraction, follow these steps:

1. Write the decimal as a fraction: $0.7 = \frac{7}{10}$

2. Simplify the fraction: The fraction $\frac{7}{10}$ is already in its simplest form because 7 and 10 have no common factors other than 1.

So, the simplest fraction equal to $0.7$ is $\frac{7}{10}$.

Would you like any further details or have any questions?

Here are five related questions:

1. How do you convert $0.75$ into a fraction?
2. What is the simplest fraction for $0.125$?
3. How do you convert a repeating decimal like $0.666...$ to a fraction?
4. What is $0.7$ as a percentage?
5. How do you convert a fraction like $\frac{5}{8}$ into a decimal?

Tip: When converting a decimal to a fraction, if the decimal has one digit after the decimal point, it will have a denominator of 10; if it has two digits, the denominator will be 100, and so on.