[tex] \ \ \frac{3}{21} + \frac{4}{21 } = [/tex]

Answer:
[tex] \frac{3}{21} + \frac{4}{21} \\ \\ \frac{3 + 4}{21} \\ \\ \frac{7}{21} → \frac{1}{3} [/tex]
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[tex] \frac{3}{21} + \frac{4}{21} = \\ [/tex]
Step 1: Just simplify add only the numerator then copy the denominator
[tex] \frac{3}{21} + \frac{4}{21} \\ \\ \frac{3\: + \:4}{21} = \frac{7}{21} [/tex]
Step 2: Make it lowest term by dividing into 7
[tex] \frac{7}{21} \div 7 = \frac{1}{3} \\ [/tex]
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