Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 18/49 from 27/80

27/80 - 18/49 is -117/3920.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 49 is 3920
  2. For the 1st fraction, since 80 × 49 = 3920,
    27/80 = 27 × 49/80 × 49 = 1323/3920
  3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
    18/49 = 18 × 80/49 × 80 = 1440/3920
  4. Subtract the two fractions:
    1323/3920 - 1440/3920 = 1323 - 1440/3920 = -117/3920

MathStep (Works offline)

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

Related:

© everydaycalculation.com