Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/15 and 3/25

1st number: 1 6/15, 2nd number: 3/25

21/15 + 3/25 is 38/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 25 is 75

    Next, find the equivalent fraction of both fractional numbers with denominator 75
  2. For the 1st fraction, since 15 × 5 = 75,
    21/15 = 21 × 5/15 × 5 = 105/75
  3. Likewise, for the 2nd fraction, since 25 × 3 = 75,
    3/25 = 3 × 3/25 × 3 = 9/75
  4. Add the two like fractions:
    105/75 + 9/75 = 105 + 9/75 = 114/75
  5. 114/75 simplified gives 38/25
  6. So, 21/15 + 3/25 = 38/25
    In mixed form: 113/25

MathStep (Works offline)

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

Related:

© everydaycalculation.com