To express \( 0.28 \) as a fraction of \( 0.8 \), we can write the expression as:

\[
\frac{0.28}{0.8}
\]

Now, simplify the fraction:

1. Multiply both the numerator and denominator by 100 to eliminate the decimals:

\[
\frac{0.28 \times 100}{0.8 \times 100} = \frac{28}{80}
\]

2. Simplify the fraction by dividing both the numerator and denominator by their greatest common divisor (GCD), which is 4:

\[
\frac{28 \div 4}{80 \div 4} = \frac{7}{20}
\]

Thus, \( 0.28 \) as a fraction of \( 0.8 \) is:

\[
\frac{7}{20}
\]

Would you like more details or have any questions?

Here are 5 related questions:
1. How do you convert decimals to fractions?
2. What are other methods to simplify fractions?
3. How can we express a fraction as a percentage?
4. What is the greatest common divisor and how is it found?
5. How do you divide fractions?

**Tip**: To simplify fractions easily, always find the GCD of the numerator and denominator first.

Learn how to express 0.28 as a fraction of 0.8 through simple steps. This math problem demonstrates key concepts like converting decimals to fractions and simplifying them using the greatest common divisor (GCD). Suitable for students in Grades 5-7.

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