Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/21 and 2/28

1st number: 2 3/21, 2nd number: 2/28

45/21 + 2/28 is 31/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 28 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    45/21 = 45 × 4/21 × 4 = 180/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    2/28 = 2 × 3/28 × 3 = 6/84
  4. Add the two like fractions:
    180/84 + 6/84 = 180 + 6/84 = 186/84
  5. 186/84 simplified gives 31/14
  6. So, 45/21 + 2/28 = 31/14
    In mixed form: 23/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com