Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 49/21 and 9/12

1st number: 2 7/21, 2nd number: 9/12

49/21 + 9/12 is 37/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 12 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    49/21 = 49 × 4/21 × 4 = 196/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    9/12 = 9 × 7/12 × 7 = 63/84
  4. Add the two fractions:
    196/84 + 63/84 = 196 + 63/84 = 259/84
  5. 259/84 simplified gives 37/12
  6. So, 49/21 + 9/12 = 37/12
    In mixed form: 31/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com