courses › Fractions, Decimals & Percents

Simplify, find equivalent fractions, and compare them.

Best in your head · no pen, no calculator why?

Learn first (about 3 minutes)

Opens at level 5.

Sign in to start

Builds on: Times tables (not open yet)

skills · practice stats

From rounds of this course only: box, review and trial answers are left out. Once a skill has 40 tries, it compares your first 20 tries with your last 20.

• Simplify a fraction par 8 s not tried yet

  worked example

  Simplify 24/28 to lowest terms.

  Answer: 6/7

  1. Divide top and bottom by their greatest common factor, 4: 24 ÷ 4 = 6 and 28 ÷ 4 = 7, so 6/7.

• Equivalent fractions par 6 s not tried yet

  worked example

  Fill in the missing number: 2/7 = ?/70

  Answer: 20

  1. 7 became 70 by multiplying by 10, so multiply the top by 10 too: 2 × 10 = 20.

• Which is largest? par 11 s not tried yet

  worked example

  Which fraction is largest: 3/4, 9/10, 9/11 or 5/7?

  1. 3/4
  2. 9/10
  3. 5/7
  4. 9/11

  Answer: 9/10

  1. Put them on one scale: 3/4 = 0.75, 9/10 = 0.9, 9/11 ≈ 0.818, 5/7 ≈ 0.714.
  2. The largest is 9/10.

rest ladder

Win 3 of your last 4 rounds and the course rests. A win is 90% right, within 2× the round's par. Pass the review when it comes back and the next rest is longer.

1. 1 day
2. 3 days
3. 7 days
4. 14 days
5. 30 days
6. 60 days
7. mastered · every 90 days

your rounds

No rounds yet.