Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/9 and 9/7

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

20/9 + 9/7 is 221/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    20/9 = 20 × 7/9 × 7 = 140/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    9/7 = 9 × 9/7 × 9 = 81/63
  4. Add the two like fractions:
    140/63 + 81/63 = 140 + 81/63 = 221/63
  5. So, 20/9 + 9/7 = 221/63
    In mixed form: 332/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com