Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/12 from 5/9

1st number: 5/9, 2nd number: 1 8/12

5/9 - 20/12 is -10/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 12 is 36
  2. For the 1st fraction, since 9 × 4 = 36,
    5/9 = 5 × 4/9 × 4 = 20/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    20/12 = 20 × 3/12 × 3 = 60/36
  4. Subtract the two fractions:
    20/36 - 60/36 = 20 - 60/36 = -40/36
  5. After reducing the fraction, the answer is -10/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com