Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/81 and 3/10

30/81 + 3/10 is 181/270.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 10 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 81 × 10 = 810,
    30/81 = 30 × 10/81 × 10 = 300/810
  3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
    3/10 = 3 × 81/10 × 81 = 243/810
  4. Add the two like fractions:
    300/810 + 243/810 = 300 + 243/810 = 543/810
  5. 543/810 simplified gives 181/270
  6. So, 30/81 + 3/10 = 181/270

MathStep (Works offline)

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

Related:

© everydaycalculation.com