Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/10 and 5/28

1st number: 8 1/10, 2nd number: 5/28

81/10 + 5/28 is 1159/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140
  2. For the 1st fraction, since 10 × 14 = 140,
    81/10 = 81 × 14/10 × 14 = 1134/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    5/28 = 5 × 5/28 × 5 = 25/140
  4. Add the two fractions:
    1134/140 + 25/140 = 1134 + 25/140 = 1159/140
  5. So, 81/10 + 5/28 = 1159/140
    In mixed form: 839/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com