Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 14/28 and 30/21

1st number: 14/28, 2nd number: 1 9/21

14/28 + 30/21 is 27/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    14/28 = 14 × 3/28 × 3 = 42/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    30/21 = 30 × 4/21 × 4 = 120/84
  4. Add the two fractions:
    42/84 + 120/84 = 42 + 120/84 = 162/84
  5. 162/84 simplified gives 27/14
  6. So, 14/28 + 30/21 = 27/14
    In mixed form: 113/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com