Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/56 from 80/28

1st number: 2 24/28, 2nd number: 21/56

80/28 - 21/56 is 139/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 56 is 56
  2. For the 1st fraction, since 28 × 2 = 56,
    80/28 = 80 × 2/28 × 2 = 160/56
  3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
    21/56 = 21 × 1/56 × 1 = 21/56
  4. Subtract the two fractions:
    160/56 - 21/56 = 160 - 21/56 = 139/56
  5. In mixed form: 227/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com