Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/30 and 21/98

9/30 + 21/98 is 18/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 98 is 1470

    Next, find the equivalent fraction of both fractional numbers with denominator 1470
  2. For the 1st fraction, since 30 × 49 = 1470,
    9/30 = 9 × 49/30 × 49 = 441/1470
  3. Likewise, for the 2nd fraction, since 98 × 15 = 1470,
    21/98 = 21 × 15/98 × 15 = 315/1470
  4. Add the two like fractions:
    441/1470 + 315/1470 = 441 + 315/1470 = 756/1470
  5. 756/1470 simplified gives 18/35
  6. So, 9/30 + 21/98 = 18/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com