Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/12 and 81/49

1st number: 1 8/12, 2nd number: 1 32/49

20/12 + 81/49 is 488/147.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 49 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 12 × 49 = 588,
    20/12 = 20 × 49/12 × 49 = 980/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    81/49 = 81 × 12/49 × 12 = 972/588
  4. Add the two like fractions:
    980/588 + 972/588 = 980 + 972/588 = 1952/588
  5. 1952/588 simplified gives 488/147
  6. So, 20/12 + 81/49 = 488/147
    In mixed form: 347/147

MathStep (Works offline)

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

Related:

© everydaycalculation.com