Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/15 and 1/28

12/15 + 1/28 is 117/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 28 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 15 × 28 = 420,
    12/15 = 12 × 28/15 × 28 = 336/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    1/28 = 1 × 15/28 × 15 = 15/420
  4. Add the two like fractions:
    336/420 + 15/420 = 336 + 15/420 = 351/420
  5. 351/420 simplified gives 117/140
  6. So, 12/15 + 1/28 = 117/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com