Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/18 and 21/9

1st number: 7/18, 2nd number: 2 3/9

7/18 + 21/9 is 49/18.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 18 × 1 = 18,
    7/18 = 7 × 1/18 × 1 = 7/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    21/9 = 21 × 2/9 × 2 = 42/18
  4. Add the two like fractions:
    7/18 + 42/18 = 7 + 42/18 = 49/18
  5. So, 7/18 + 21/9 = 49/18
    In mixed form: 213/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com