To convert 1.2 into a fraction in simplest form:

1. Express 1.2 as a fraction: $1.2 = \frac{12}{10}$

2. Simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor (GCD), which is 2: $\frac{12 \div 2}{10 \div 2} = \frac{6}{5}$

So, $1.2$ as a fraction in simplest form is $\frac{6}{5}$.

Would you like more details on this process, or do you have any other questions?

Here are some related questions:

1. How do you convert 2.75 to a fraction?
2. What is 0.375 as a fraction in simplest form?
3. How do you find the GCD of two numbers?
4. How do you convert a repeating decimal to a fraction?
5. How do you convert 1.25 into a fraction?

Tip: To convert a decimal to a fraction, count the number of decimal places, use that as a power of 10 in the denominator, and simplify.