Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/28 and 4/90

3/28 + 4/90 is 191/1260.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    3/28 = 3 × 45/28 × 45 = 135/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    4/90 = 4 × 14/90 × 14 = 56/1260
  4. Add the two like fractions:
    135/1260 + 56/1260 = 135 + 56/1260 = 191/1260
  5. So, 3/28 + 4/90 = 191/1260

MathStep (Works offline)

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

Related:

© everydaycalculation.com