Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/30 and 18/81

4/30 + 18/81 is 16/45.

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,
    4/30 = 4 × 27/30 × 27 = 108/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    18/81 = 18 × 10/81 × 10 = 180/810
  4. Add the two like fractions:
    108/810 + 180/810 = 108 + 180/810 = 288/810
  5. 288/810 simplified gives 16/45
  6. So, 4/30 + 18/81 = 16/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com