Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/90 and 63/28

1st number: 5/90, 2nd number: 2 7/28

5/90 + 63/28 is 83/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 28 is 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    5/90 = 5 × 14/90 × 14 = 70/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    63/28 = 63 × 45/28 × 45 = 2835/1260
  4. Add the two fractions:
    70/1260 + 2835/1260 = 70 + 2835/1260 = 2905/1260
  5. 2905/1260 simplified gives 83/36
  6. So, 5/90 + 63/28 = 83/36
    In mixed form: 211/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com