Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/21 and 20/16

1st number: 10/21, 2nd number: 1 4/16

10/21 + 20/16 is 145/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 16 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 21 × 16 = 336,
    10/21 = 10 × 16/21 × 16 = 160/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    20/16 = 20 × 21/16 × 21 = 420/336
  4. Add the two like fractions:
    160/336 + 420/336 = 160 + 420/336 = 580/336
  5. 580/336 simplified gives 145/84
  6. So, 10/21 + 20/16 = 145/84
    In mixed form: 161/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com