10. \( \frac{7}{9}+\frac{1}{5}= \)
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To add the fractions \( \frac{7}{9} \) and \( \frac{1}{5} \), we need a common denominator. The least common multiple (LCM) of 9 and 5 is 45. Convert \( \frac{7}{9} \) to have a denominator of 45: \( \frac{7}{9} = \frac{7 \times 5}{9 \times 5} = \frac{35}{45} \) Now convert \( \frac{1}{5} \): \( \frac{1}{5} = \frac{1 \times 9}{5 \times 9} = \frac{9}{45} \) Now we can add them: \( \frac{35}{45} + \frac{9}{45} = \frac{35 + 9}{45} = \frac{44}{45} \) So, \( \frac{7}{9} + \frac{1}{5} = \frac{44}{45} \).