Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/21 and 7/12

1st number: 1 19/21, 2nd number: 7/12

40/21 + 7/12 is 209/84.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    40/21 = 40 × 4/21 × 4 = 160/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    7/12 = 7 × 7/12 × 7 = 49/84
  4. Add the two like fractions:
    160/84 + 49/84 = 160 + 49/84 = 209/84
  5. So, 40/21 + 7/12 = 209/84
    In mixed form: 241/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com