Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/30 and 42/54

10/30 + 42/54 is 10/9.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 30 × 9 = 270,
    10/30 = 10 × 9/30 × 9 = 90/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    42/54 = 42 × 5/54 × 5 = 210/270
  4. Add the two like fractions:
    90/270 + 210/270 = 90 + 210/270 = 300/270
  5. 300/270 simplified gives 10/9
  6. So, 10/30 + 42/54 = 10/9
    In mixed form: 11/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com