Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/21 and 80/48

1st number: 1 9/21, 2nd number: 1 32/48

30/21 + 80/48 is 65/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 48 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 48 × 7 = 336,
    80/48 = 80 × 7/48 × 7 = 560/336
  4. Add the two like fractions:
    480/336 + 560/336 = 480 + 560/336 = 1040/336
  5. 1040/336 simplified gives 65/21
  6. So, 30/21 + 80/48 = 65/21
    In mixed form: 32/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com