JAMB Mathematics 1986 Question 5

Question 5

Fractions, Decimals and Approximation

Find the reciprocal of (2/3)/(1/2 + 1/3)

  1. A.4/9
  2. B.5/4
  3. C.2/9
  4. D.6/7
Show the answer and explanation

Answer: B (5/4)

Explanation

½ + ⅓ = 5/6, so the fraction is 2/3 ÷ 5/6 = 4/5. Its reciprocal is 5/4.