Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/30 and 4/81

1/30 + 4/81 is 67/810.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 81 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 30 × 27 = 810,
    1/30 = 1 × 27/30 × 27 = 27/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    4/81 = 4 × 10/81 × 10 = 40/810
  4. Add the two like fractions:
    27/810 + 40/810 = 27 + 40/810 = 67/810
  5. So, 1/30 + 4/81 = 67/810

MathStep (Works offline)

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

Related:

© everydaycalculation.com