Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/18 and 2/42

1st number: 3 0/18, 2nd number: 2/42

54/18 + 2/42 is 64/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    54/18 = 54 × 7/18 × 7 = 378/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    2/42 = 2 × 3/42 × 3 = 6/126
  4. Add the two like fractions:
    378/126 + 6/126 = 378 + 6/126 = 384/126
  5. 384/126 simplified gives 64/21
  6. So, 54/18 + 2/42 = 64/21
    In mixed form: 31/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com