Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/28 and 1/15

1st number: 1 2/28, 2nd number: 1/15

30/28 + 1/15 is 239/210.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    30/28 = 30 × 15/28 × 15 = 450/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    1/15 = 1 × 28/15 × 28 = 28/420
  4. Add the two like fractions:
    450/420 + 28/420 = 450 + 28/420 = 478/420
  5. 478/420 simplified gives 239/210
  6. So, 30/28 + 1/15 = 239/210
    In mixed form: 129/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com