Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/7 and 2/9

1st number: 1 5/7, 2nd number: 2/9

12/7 + 2/9 is 122/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    12/7 = 12 × 9/7 × 9 = 108/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    2/9 = 2 × 7/9 × 7 = 14/63
  4. Add the two like fractions:
    108/63 + 14/63 = 108 + 14/63 = 122/63
  5. So, 12/7 + 2/9 = 122/63
    In mixed form: 159/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com