Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 98/28 and 81/35

1st number: 3 14/28, 2nd number: 2 11/35

98/28 + 81/35 is 407/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 35 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    98/28 = 98 × 5/28 × 5 = 490/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    81/35 = 81 × 4/35 × 4 = 324/140
  4. Add the two like fractions:
    490/140 + 324/140 = 490 + 324/140 = 814/140
  5. 814/140 simplified gives 407/70
  6. So, 98/28 + 81/35 = 407/70
    In mixed form: 557/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com