Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 12/4 and 6/21

1st number: 3 0/4, 2nd number: 6/21

12/4 + 6/21 is 23/7.

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,
    12/4 = 12 × 21/4 × 21 = 252/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    6/21 = 6 × 4/21 × 4 = 24/84
  4. Add the two fractions:
    252/84 + 24/84 = 252 + 24/84 = 276/84
  5. After reducing the fraction, the answer is 23/7
  6. In mixed form: 32/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com