Let's break down the expression:

\[
\frac{12}{20} + \frac{1}{20} + \frac{5}{20}
\]

Since all the fractions have the same denominator, we can add the numerators directly:

\[
\frac{12 + 1 + 5}{20} = \frac{18}{20}
\]

Now simplify the fraction \(\frac{18}{20}\):

\[
\frac{18}{20} = \frac{9}{10}
\]

So, the simplified answer is \(\frac{9}{10}\).

Would you like more details, or do you have any questions about the process?

Here are 5 related questions to explore further:

1. How do you simplify fractions?
2. What are equivalent fractions?
3. How do you add fractions with different denominators?
4. What is the greatest common divisor (GCD) and how does it help simplify fractions?
5. How can you convert a fraction to a decimal?

**Tip**: Always check if the fractions you are adding or subtracting have the same denominator. If not, you need to find a common denominator before combining them.

Learn how to add and simplify fractions with common denominators. This detailed explanation covers adding 12/20, 1/20, and 5/20 and simplifying the result to 9/10. Ideal for students in Grades 4-6, the solution includes step-by-step guidance on fraction addition and simplification.

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