Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/49 and 3/81

28/49 + 3/81 is 115/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 81 is 3969

    Next, find the equivalent fraction of both fractional numbers with denominator 3969
  2. For the 1st fraction, since 49 × 81 = 3969,
    28/49 = 28 × 81/49 × 81 = 2268/3969
  3. Likewise, for the 2nd fraction, since 81 × 49 = 3969,
    3/81 = 3 × 49/81 × 49 = 147/3969
  4. Add the two like fractions:
    2268/3969 + 147/3969 = 2268 + 147/3969 = 2415/3969
  5. 2415/3969 simplified gives 115/189
  6. So, 28/49 + 3/81 = 115/189

MathStep (Works offline)

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

Related:

© everydaycalculation.com