Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/18 and 21/49

1st number: 3 9/18, 2nd number: 21/49

63/18 + 21/49 is 55/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 49 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 18 × 49 = 882,
    63/18 = 63 × 49/18 × 49 = 3087/882
  3. Likewise, for the 2nd fraction, since 49 × 18 = 882,
    21/49 = 21 × 18/49 × 18 = 378/882
  4. Add the two like fractions:
    3087/882 + 378/882 = 3087 + 378/882 = 3465/882
  5. 3465/882 simplified gives 55/14
  6. So, 63/18 + 21/49 = 55/14
    In mixed form: 313/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com