Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 35/21 and 7/9

1st number: 1 14/21, 2nd number: 7/9

35/21 + 7/9 is 22/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    35/21 = 35 × 3/21 × 3 = 105/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    7/9 = 7 × 7/9 × 7 = 49/63
  4. Add the two like fractions:
    105/63 + 49/63 = 105 + 49/63 = 154/63
  5. 154/63 simplified gives 22/9
  6. So, 35/21 + 7/9 = 22/9
    In mixed form: 24/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com