Multiple choice The value of 2/5 × 21/4 is 1/2 21/10 11/ 10 15/ 10 Reveal answer Fill a bubble to check yourself B Correct answer Explanation (2/5) * (21/4) = (2 * 21) / (5 * 4) = 42 / 20. Simplifying by dividing by 2 gives 21 / 10.