Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/54 and 25/42

1st number: 1 30/54, 2nd number: 25/42

84/54 + 25/42 is 271/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 42 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    84/54 = 84 × 7/54 × 7 = 588/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    25/42 = 25 × 9/42 × 9 = 225/378
  4. Add the two like fractions:
    588/378 + 225/378 = 588 + 225/378 = 813/378
  5. 813/378 simplified gives 271/126
  6. So, 84/54 + 25/42 = 271/126
    In mixed form: 219/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com