Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/28 and 54/90

1st number: 3 6/28, 2nd number: 54/90

90/28 + 54/90 is 267/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    90/28 = 90 × 45/28 × 45 = 4050/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    54/90 = 54 × 14/90 × 14 = 756/1260
  4. Add the two fractions:
    4050/1260 + 756/1260 = 4050 + 756/1260 = 4806/1260
  5. 4806/1260 simplified gives 267/70
  6. So, 90/28 + 54/90 = 267/70
    In mixed form: 357/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com