Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/54 and 6/30

21/54 + 6/30 is 53/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 30 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    21/54 = 21 × 5/54 × 5 = 105/270
  3. Likewise, for the 2nd fraction, since 30 × 9 = 270,
    6/30 = 6 × 9/30 × 9 = 54/270
  4. Add the two like fractions:
    105/270 + 54/270 = 105 + 54/270 = 159/270
  5. 159/270 simplified gives 53/90
  6. So, 21/54 + 6/30 = 53/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com