Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/12 and 27/7

1st number: 2 4/12, 2nd number: 3 6/7

28/12 + 27/7 is 130/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    28/12 = 28 × 7/12 × 7 = 196/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    27/7 = 27 × 12/7 × 12 = 324/84
  4. Add the two like fractions:
    196/84 + 324/84 = 196 + 324/84 = 520/84
  5. 520/84 simplified gives 130/21
  6. So, 28/12 + 27/7 = 130/21
    In mixed form: 64/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com