It looks like you're adding two fractions: \( \frac{20}{3} + \frac{16}{7} \).

To solve this, we need to find a common denominator, then add the fractions. The least common denominator (LCD) of 3 and 7 is 21. So we rewrite the fractions with 21 as the denominator:

\[
\frac{20}{3} = \frac{20 \times 7}{3 \times 7} = \frac{140}{21}
\]
\[
\frac{16}{7} = \frac{16 \times 3}{7 \times 3} = \frac{48}{21}
\]

Now we can add them:

\[
\frac{140}{21} + \frac{48}{21} = \frac{140 + 48}{21} = \frac{188}{21}
\]

This is the sum of the two fractions.

The fraction \(\frac{188}{21}\) is already in its simplest form.

Would you like more details or have any questions?

Here are 5 related questions to expand on this:

1. How do you find the least common denominator (LCD)?
2. Can you convert \(\frac{188}{21}\) into a mixed number?
3. How do you subtract two fractions?
4. How do you multiply two fractions, for example \(\frac{20}{3} \times \frac{16}{7}\)?
5. What happens if the fractions have a common denominator already?

**Tip**: When adding or subtracting fractions, always check if you can simplify the final answer!

Learn how to add fractions with different denominators in this step-by-step solution for 20/3 + 16/7. This problem explains the use of the least common denominator (LCD) to solve fraction addition, including finding LCD and simplifying the final answer. Suitable for students in Grades 5-7.

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