Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/24 and 3/21

1st number: 3 12/24, 2nd number: 3/21

84/24 + 3/21 is 51/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 21 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 24 × 7 = 168,
    84/24 = 84 × 7/24 × 7 = 588/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    3/21 = 3 × 8/21 × 8 = 24/168
  4. Add the two like fractions:
    588/168 + 24/168 = 588 + 24/168 = 612/168
  5. 612/168 simplified gives 51/14
  6. So, 84/24 + 3/21 = 51/14
    In mixed form: 39/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com