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Friday, 03 April 2026
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If m = 4, n = 9 and r = 16., evaluate \(\frac{m}{n}\) - 1\(\frac{7}{9}\) + \(\frac{n}{r}\)

If m = 4, n = 9 and r = 16., evaluate \(\frac{m}{n}\) - 1\(\frac{7}{9}\) + \(\frac{n}{r}\)
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  • A 1\(\frac{5}{16}\)
  • B 1\(\frac{1}{16}\)
  • C \(\frac{5}{16}\)
  • D - 1\(\frac{37}{48}\)
Correct Answer: Option D
Explanation:
If m = 4, n = 9, r = 16,
then \(\frac{m}{n}\) - 1\(\frac{7}{9}\) + \(\frac{n}{r}\)
= \(\frac{4}{9}\) - \(\frac{16}{9}\) + \(\frac{9}{16}\)
= \(\frac{64 - 258 + 81}{144}\)
= \(\frac{-111}{144}\)
= - 1\(\frac{37}{48}\)

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