Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/3 and 15/21

1st number: 8 1/3, 2nd number: 15/21

25/3 + 15/21 is 190/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    25/3 = 25 × 7/3 × 7 = 175/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    15/21 = 15 × 1/21 × 1 = 15/21
  4. Add the two like fractions:
    175/21 + 15/21 = 175 + 15/21 = 190/21
  5. So, 25/3 + 15/21 = 190/21
    In mixed form: 91/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com