Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/45 and 42/54

1st number: 1 39/45, 2nd number: 42/54

84/45 + 42/54 is 119/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 54 is 270
  2. For the 1st fraction, since 45 × 6 = 270,
    84/45 = 84 × 6/45 × 6 = 504/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    42/54 = 42 × 5/54 × 5 = 210/270
  4. Add the two fractions:
    504/270 + 210/270 = 504 + 210/270 = 714/270
  5. 714/270 simplified gives 119/45
  6. So, 84/45 + 42/54 = 119/45
    In mixed form: 229/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com