Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/3 and 4/7

1st number: 6 2/3, 2nd number: 4/7

20/3 + 4/7 is 152/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    20/3 = 20 × 7/3 × 7 = 140/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    4/7 = 4 × 3/7 × 3 = 12/21
  4. Add the two like fractions:
    140/21 + 12/21 = 140 + 12/21 = 152/21
  5. So, 20/3 + 4/7 = 152/21
    In mixed form: 75/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com