Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 14/21 and 21/5

1st number: 14/21, 2nd number: 4 1/5

14/21 + 21/5 is 73/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 5 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    14/21 = 14 × 5/21 × 5 = 70/105
  3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
    21/5 = 21 × 21/5 × 21 = 441/105
  4. Add the two like fractions:
    70/105 + 441/105 = 70 + 441/105 = 511/105
  5. 511/105 simplified gives 73/15
  6. So, 14/21 + 21/5 = 73/15
    In mixed form: 413/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com