Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/20 and 27/7

1st number: 6/20, 2nd number: 3 6/7

6/20 + 27/7 is 291/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    6/20 = 6 × 7/20 × 7 = 42/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    27/7 = 27 × 20/7 × 20 = 540/140
  4. Add the two fractions:
    42/140 + 540/140 = 42 + 540/140 = 582/140
  5. 582/140 simplified gives 291/70
  6. So, 6/20 + 27/7 = 291/70
    In mixed form: 411/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com