Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/84 and 27/90

1st number: 1 6/84, 2nd number: 27/90

90/84 + 27/90 is 48/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 90 is 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    90/84 = 90 × 15/84 × 15 = 1350/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    27/90 = 27 × 14/90 × 14 = 378/1260
  4. Add the two fractions:
    1350/1260 + 378/1260 = 1350 + 378/1260 = 1728/1260
  5. 1728/1260 simplified gives 48/35
  6. So, 90/84 + 27/90 = 48/35
    In mixed form: 113/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com