Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/14 and 5/30

1st number: 5 11/14, 2nd number: 5/30

81/14 + 5/30 is 125/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 14 × 15 = 210,
    81/14 = 81 × 15/14 × 15 = 1215/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    5/30 = 5 × 7/30 × 7 = 35/210
  4. Add the two like fractions:
    1215/210 + 35/210 = 1215 + 35/210 = 1250/210
  5. 1250/210 simplified gives 125/21
  6. So, 81/14 + 5/30 = 125/21
    In mixed form: 520/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com