Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/12 and 3/21

1st number: 4 0/12, 2nd number: 3/21

48/12 + 3/21 is 29/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    48/12 = 48 × 7/12 × 7 = 336/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    3/21 = 3 × 4/21 × 4 = 12/84
  4. Add the two like fractions:
    336/84 + 12/84 = 336 + 12/84 = 348/84
  5. 348/84 simplified gives 29/7
  6. So, 48/12 + 3/21 = 29/7
    In mixed form: 41/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com