Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/49 and 90/48

1st number: 21/49, 2nd number: 1 42/48

21/49 + 90/48 is 129/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 48 is 2352

    Next, find the equivalent fraction of both fractional numbers with denominator 2352
  2. For the 1st fraction, since 49 × 48 = 2352,
    21/49 = 21 × 48/49 × 48 = 1008/2352
  3. Likewise, for the 2nd fraction, since 48 × 49 = 2352,
    90/48 = 90 × 49/48 × 49 = 4410/2352
  4. Add the two like fractions:
    1008/2352 + 4410/2352 = 1008 + 4410/2352 = 5418/2352
  5. 5418/2352 simplified gives 129/56
  6. So, 21/49 + 90/48 = 129/56
    In mixed form: 217/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com