Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/10 and 18/54

1st number: 2 7/10, 2nd number: 18/54

27/10 + 18/54 is 91/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 10 × 27 = 270,
    27/10 = 27 × 27/10 × 27 = 729/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    18/54 = 18 × 5/54 × 5 = 90/270
  4. Add the two like fractions:
    729/270 + 90/270 = 729 + 90/270 = 819/270
  5. 819/270 simplified gives 91/30
  6. So, 27/10 + 18/54 = 91/30
    In mixed form: 31/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com