Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 49/54 and 18/21

49/54 + 18/21 is 667/378.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 21 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    49/54 = 49 × 7/54 × 7 = 343/378
  3. Likewise, for the 2nd fraction, since 21 × 18 = 378,
    18/21 = 18 × 18/21 × 18 = 324/378
  4. Add the two like fractions:
    343/378 + 324/378 = 343 + 324/378 = 667/378
  5. So, 49/54 + 18/21 = 667/378
    In mixed form: 1289/378

MathStep (Works offline)

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

Related:

© everydaycalculation.com