Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/21 and 50/30

1st number: 1 6/21, 2nd number: 1 20/30

27/21 + 50/30 is 62/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    27/21 = 27 × 10/21 × 10 = 270/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    50/30 = 50 × 7/30 × 7 = 350/210
  4. Add the two like fractions:
    270/210 + 350/210 = 270 + 350/210 = 620/210
  5. 620/210 simplified gives 62/21
  6. So, 27/21 + 50/30 = 62/21
    In mixed form: 220/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com