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About the trainer

Subtraction of proper fractions

To enter an answer, start by typing the numerator, then the denominator of the fraction. If the answer is a whole number, enter that number.

The fraction addition trainer has three difficulty levels:

  1. Subtracting fractions with the same denominators
  2. Subtracting fractions with different denominators
  3. Subtracting fractions with different denominators, the answer needs to be reduced
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Instructions

Math trainer features

Timed training sessions

The green bar at the bottom shows the remaining training time.

You can noticeably improve your skills by doing 3 training sessions of 5 minutes each day. At the end of each session you will see detailed statistics for your answers. The longer the session, the bigger the bonus to your experience points.

Answer time limit

The blue bar at the top shows the remaining time to answer.

The time limit encourages you to memorize rather than calculate basic examples (multiplication tables, addition, and so on).

For more complex examples, the limit motivates you to calculate faster, but if you do not have time to solve a problem, you can always increase the time for one question or disable this feature entirely.

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