Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/5 and 10/21

3/5 + 10/21 is 113/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105
  2. For the 1st fraction, since 5 × 21 = 105,
    3/5 = 3 × 21/5 × 21 = 63/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    10/21 = 10 × 5/21 × 5 = 50/105
  4. Add the two fractions:
    63/105 + 50/105 = 63 + 50/105 = 113/105
  5. So, 3/5 + 10/21 = 113/105
    In mixed form: 18/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com