Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/30 and 30/81

1st number: 1 15/30, 2nd number: 30/81

45/30 + 30/81 is 101/54.

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,
    45/30 = 45 × 27/30 × 27 = 1215/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    30/81 = 30 × 10/81 × 10 = 300/810
  4. Add the two like fractions:
    1215/810 + 300/810 = 1215 + 300/810 = 1515/810
  5. 1515/810 simplified gives 101/54
  6. So, 45/30 + 30/81 = 101/54
    In mixed form: 147/54

MathStep (Works offline)

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

Related:

© everydaycalculation.com