Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/12 and 21/24

3/12 + 21/24 is 9/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 24 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 12 × 2 = 24,
    3/12 = 3 × 2/12 × 2 = 6/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    21/24 = 21 × 1/24 × 1 = 21/24
  4. Add the two like fractions:
    6/24 + 21/24 = 6 + 21/24 = 27/24
  5. 27/24 simplified gives 9/8
  6. So, 3/12 + 21/24 = 9/8
    In mixed form: 11/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com