Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/21 and 16/10

1st number: 7/21, 2nd number: 1 6/10

7/21 + 16/10 is 29/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    7/21 = 7 × 10/21 × 10 = 70/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    16/10 = 16 × 21/10 × 21 = 336/210
  4. Add the two like fractions:
    70/210 + 336/210 = 70 + 336/210 = 406/210
  5. 406/210 simplified gives 29/15
  6. So, 7/21 + 16/10 = 29/15
    In mixed form: 114/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com