Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/10 and 21/3

1st number: 1 2/10, 2nd number: 7 0/3

12/10 + 21/3 is 41/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 3 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 10 × 3 = 30,
    12/10 = 12 × 3/10 × 3 = 36/30
  3. Likewise, for the 2nd fraction, since 3 × 10 = 30,
    21/3 = 21 × 10/3 × 10 = 210/30
  4. Add the two like fractions:
    36/30 + 210/30 = 36 + 210/30 = 246/30
  5. 246/30 simplified gives 41/5
  6. So, 12/10 + 21/3 = 41/5
    In mixed form: 81/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com