Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/21 and 28/16

1st number: 1 9/21, 2nd number: 1 12/16

30/21 + 28/16 is 89/28.

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,
    30/21 = 30 × 16/21 × 16 = 480/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    28/16 = 28 × 21/16 × 21 = 588/336
  4. Add the two like fractions:
    480/336 + 588/336 = 480 + 588/336 = 1068/336
  5. 1068/336 simplified gives 89/28
  6. So, 30/21 + 28/16 = 89/28
    In mixed form: 35/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com