Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/28 and 3/90

4/28 + 3/90 is 37/210.

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,
    4/28 = 4 × 45/28 × 45 = 180/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    3/90 = 3 × 14/90 × 14 = 42/1260
  4. Add the two fractions:
    180/1260 + 42/1260 = 180 + 42/1260 = 222/1260
  5. 222/1260 simplified gives 37/210
  6. So, 4/28 + 3/90 = 37/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com