Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/90 and 20/98

27/90 + 20/98 is 247/490.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 98 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 90 × 49 = 4410,
    27/90 = 27 × 49/90 × 49 = 1323/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    20/98 = 20 × 45/98 × 45 = 900/4410
  4. Add the two like fractions:
    1323/4410 + 900/4410 = 1323 + 900/4410 = 2223/4410
  5. 2223/4410 simplified gives 247/490
  6. So, 27/90 + 20/98 = 247/490

MathStep (Works offline)

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

Related:

© everydaycalculation.com