Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/6 and 28/9

1st number: 3 3/6, 2nd number: 3 1/9

21/6 + 28/9 is 119/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 6 × 3 = 18,
    21/6 = 21 × 3/6 × 3 = 63/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    28/9 = 28 × 2/9 × 2 = 56/18
  4. Add the two like fractions:
    63/18 + 56/18 = 63 + 56/18 = 119/18
  5. So, 21/6 + 28/9 = 119/18
    In mixed form: 611/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com