Question

what should he do next?

simplify his answer.
find a common denominator.
add the numerators.
convert the fractions.

Explanation:

Analyze the current step in the image

$$ \frac{3}{6} + \frac{3}{9} ightarrow \frac{9}{18} + \frac{6}{18} = \frac{15}{18} $$

Determine the next logical step

$$ \frac{15}{18} = \frac{15 \div 3}{18 \div 3} = \frac{5}{6} $$

Answer:

• (A) Simplify his answer. (Correct answer)
• (B) Find a common denominator.
• (C) Add the numerators.
• (D) Convert the fractions.