Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 27/8 and 21/10

1st number: 3 3/8, 2nd number: 2 1/10

27/8 + 21/10 is 219/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 10 is 40
  2. For the 1st fraction, since 8 × 5 = 40,
    27/8 = 27 × 5/8 × 5 = 135/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    21/10 = 21 × 4/10 × 4 = 84/40
  4. Add the two fractions:
    135/40 + 84/40 = 135 + 84/40 = 219/40
  5. In mixed form: 519/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com