Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/49 and 48/90

21/49 + 48/90 is 101/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 90 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 49 × 90 = 4410,
    21/49 = 21 × 90/49 × 90 = 1890/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    48/90 = 48 × 49/90 × 49 = 2352/4410
  4. Add the two like fractions:
    1890/4410 + 2352/4410 = 1890 + 2352/4410 = 4242/4410
  5. 4242/4410 simplified gives 101/105
  6. So, 21/49 + 48/90 = 101/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com