Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/28 and 45/12

1st number: 2 24/28, 2nd number: 3 9/12

80/28 + 45/12 is 185/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 12 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    80/28 = 80 × 3/28 × 3 = 240/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    45/12 = 45 × 7/12 × 7 = 315/84
  4. Add the two like fractions:
    240/84 + 315/84 = 240 + 315/84 = 555/84
  5. 555/84 simplified gives 185/28
  6. So, 80/28 + 45/12 = 185/28
    In mixed form: 617/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com