JAMB Mathematics 1979 Question 23

Question 23

Fractions, Decimals and Approximation

Simplify 25/12 − 17/8 × 6/5

  1. A.1/6
  2. B.13/20
  3. C.11/30
  4. D.9/4
  5. E.5/3.
Show the answer and explanation

Answer: A (1/6)

Explanation

Multiply first: 15/8 × 6/5 = 9/4 = 27/12. Then 29/12 − 27/12 = 2/12 = 1/6.