OpenOlympiad
Concept 7 of 11Foundation
Video

Dividing fractions (KCF trick)

Keep, Change, Flip — the magic trick:

  1. Keep the first fraction.
  2. Change ÷ to ×.
  3. Flip the second fraction (reciprocal).

3/4 ÷ 2/5 = 3/4 × 5/2 = 15/8 = 1⅞.

Example
6 ÷ 2/3 = 6 × 3/2 = 9. Imagine 6 whole pizzas cut into thirds — you get 9 double-slices.
💡 Tip:Reciprocal of a/b is b/a. (Reciprocal of 5 is 1/5.)
Prefer a video? Open YouTube search for “dividing fractions class 6

🎯 Try it!

5 questions to check what you just read.

0 / 5
  1. Q1.3/4 ÷ 1/2 = ?
  2. Q2.5 ÷ 1/5 = ?
  3. Q3.2/3 ÷ 4/9 = ?
  4. Q4.Reciprocal of 5/7:
  5. Q5.6 ÷ 2/3 = ?