Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/15 and 12/54

1st number: 2 0/15, 2nd number: 12/54

30/15 + 12/54 is 20/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 15 × 18 = 270,
    30/15 = 30 × 18/15 × 18 = 540/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    12/54 = 12 × 5/54 × 5 = 60/270
  4. Add the two like fractions:
    540/270 + 60/270 = 540 + 60/270 = 600/270
  5. 600/270 simplified gives 20/9
  6. So, 30/15 + 12/54 = 20/9
    In mixed form: 22/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com