Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 24/27 and 21/12

1st number: 24/27, 2nd number: 1 9/12

24/27 + 21/12 is 95/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 12 is 108
  2. For the 1st fraction, since 27 × 4 = 108,
    24/27 = 24 × 4/27 × 4 = 96/108
  3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
    21/12 = 21 × 9/12 × 9 = 189/108
  4. Add the two fractions:
    96/108 + 189/108 = 96 + 189/108 = 285/108
  5. After reducing the fraction, the answer is 95/36
  6. In mixed form: 223/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com