Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/84 and 72/49

1st number: 12/84, 2nd number: 1 23/49

12/84 + 72/49 is 79/49.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 49 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 84 × 7 = 588,
    12/84 = 12 × 7/84 × 7 = 84/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    72/49 = 72 × 12/49 × 12 = 864/588
  4. Add the two like fractions:
    84/588 + 864/588 = 84 + 864/588 = 948/588
  5. 948/588 simplified gives 79/49
  6. So, 12/84 + 72/49 = 79/49
    In mixed form: 130/49

MathStep (Works offline)

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

Related:

© everydaycalculation.com