Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/30 and 27/7

1st number: 28/30, 2nd number: 3 6/7

28/30 + 27/7 is 503/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    28/30 = 28 × 7/30 × 7 = 196/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    27/7 = 27 × 30/7 × 30 = 810/210
  4. Add the two like fractions:
    196/210 + 810/210 = 196 + 810/210 = 1006/210
  5. 1006/210 simplified gives 503/105
  6. So, 28/30 + 27/7 = 503/105
    In mixed form: 483/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com