Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/10 and 12/14

1st number: 2 1/10, 2nd number: 12/14

21/10 + 12/14 is 207/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 14 is 70
  2. For the 1st fraction, since 10 × 7 = 70,
    21/10 = 21 × 7/10 × 7 = 147/70
  3. Likewise, for the 2nd fraction, since 14 × 5 = 70,
    12/14 = 12 × 5/14 × 5 = 60/70
  4. Add the two fractions:
    147/70 + 60/70 = 147 + 60/70 = 207/70
  5. In mixed form: 267/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com