Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/15 and 84/54

1st number: 5 9/15, 2nd number: 1 30/54

84/15 + 84/54 is 322/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270
  2. For the 1st fraction, since 15 × 18 = 270,
    84/15 = 84 × 18/15 × 18 = 1512/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    84/54 = 84 × 5/54 × 5 = 420/270
  4. Add the two fractions:
    1512/270 + 420/270 = 1512 + 420/270 = 1932/270
  5. 1932/270 simplified gives 322/45
  6. So, 84/15 + 84/54 = 322/45
    In mixed form: 77/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com