Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 14/80 from 28/18

1st number: 1 10/18, 2nd number: 14/80

28/18 - 14/80 is 497/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720
  2. For the 1st fraction, since 18 × 40 = 720,
    28/18 = 28 × 40/18 × 40 = 1120/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    14/80 = 14 × 9/80 × 9 = 126/720
  4. Subtract the two fractions:
    1120/720 - 126/720 = 1120 - 126/720 = 994/720
  5. After reducing the fraction, the answer is 497/360
  6. In mixed form: 1137/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com