Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/4 and 14/21

1st number: 18 0/4, 2nd number: 14/21

72/4 + 14/21 is 56/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    72/4 = 72 × 21/4 × 21 = 1512/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    14/21 = 14 × 4/21 × 4 = 56/84
  4. Add the two fractions:
    1512/84 + 56/84 = 1512 + 56/84 = 1568/84
  5. 1568/84 simplified gives 56/3
  6. So, 72/4 + 14/21 = 56/3
    In mixed form: 182/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com