Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/12 and 5/35

1st number: 1 3/12, 2nd number: 5/35

15/12 + 5/35 is 39/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 35 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 12 × 35 = 420,
    15/12 = 15 × 35/12 × 35 = 525/420
  3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
    5/35 = 5 × 12/35 × 12 = 60/420
  4. Add the two like fractions:
    525/420 + 60/420 = 525 + 60/420 = 585/420
  5. 585/420 simplified gives 39/28
  6. So, 15/12 + 5/35 = 39/28
    In mixed form: 111/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com