Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/15 and 98/21

1st number: 8/15, 2nd number: 4 14/21

8/15 + 98/21 is 26/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    8/15 = 8 × 7/15 × 7 = 56/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    98/21 = 98 × 5/21 × 5 = 490/105
  4. Add the two like fractions:
    56/105 + 490/105 = 56 + 490/105 = 546/105
  5. 546/105 simplified gives 26/5
  6. So, 8/15 + 98/21 = 26/5
    In mixed form: 51/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com