Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 80/27 from 21/4

1st number: 5 1/4, 2nd number: 2 26/27

21/4 - 80/27 is 247/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 27 is 108
  2. For the 1st fraction, since 4 × 27 = 108,
    21/4 = 21 × 27/4 × 27 = 567/108
  3. Likewise, for the 2nd fraction, since 27 × 4 = 108,
    80/27 = 80 × 4/27 × 4 = 320/108
  4. Subtract the two fractions:
    567/108 - 320/108 = 567 - 320/108 = 247/108
  5. In mixed form: 231/108

MathStep (Works offline)

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

Related:

© everydaycalculation.com