Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/20 from 20/9

1st number: 2 2/9, 2nd number: 5/20

20/9 - 5/20 is 71/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    20/9 = 20 × 20/9 × 20 = 400/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    5/20 = 5 × 9/20 × 9 = 45/180
  4. Subtract the two like fractions:
    400/180 - 45/180 = 400 - 45/180 = 355/180
  5. After reducing the fraction, the answer is 71/36
  6. In mixed form: 135/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com