Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 25/9 from 5/20

1st number: 5/20, 2nd number: 2 7/9

5/20 - 25/9 is -91/36.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    5/20 = 5 × 9/20 × 9 = 45/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    25/9 = 25 × 20/9 × 20 = 500/180
  4. Subtract the two like fractions:
    45/180 - 500/180 = 45 - 500/180 = -455/180
  5. After reducing the fraction, the answer is -91/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com