Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/5 from 12/20

1st number: 12/20, 2nd number: 2 2/5

12/20 - 12/5 is -9/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    12/20 = 12 × 1/20 × 1 = 12/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    12/5 = 12 × 4/5 × 4 = 48/20
  4. Subtract the two like fractions:
    12/20 - 48/20 = 12 - 48/20 = -36/20
  5. After reducing the fraction, the answer is -9/5

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com