Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/28 and 2/21

1st number: 2 24/28, 2nd number: 2/21

80/28 + 2/21 is 62/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 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 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  4. Add the two like fractions:
    240/84 + 8/84 = 240 + 8/84 = 248/84
  5. 248/84 simplified gives 62/21
  6. So, 80/28 + 2/21 = 62/21
    In mixed form: 220/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com