Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/2 and 15/7

1st number: 2 1/2, 2nd number: 2 1/7

5/2 + 15/7 is 65/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 7 is 14

    Next, find the equivalent fraction of both fractional numbers with denominator 14
  2. For the 1st fraction, since 2 × 7 = 14,
    5/2 = 5 × 7/2 × 7 = 35/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    15/7 = 15 × 2/7 × 2 = 30/14
  4. Add the two like fractions:
    35/14 + 30/14 = 35 + 30/14 = 65/14
  5. So, 5/2 + 15/7 = 65/14
    In mixed form: 49/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com