Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/84 and 80/54

1st number: 30/84, 2nd number: 1 26/54

30/84 + 80/54 is 695/378.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 54 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 84 × 9 = 756,
    30/84 = 30 × 9/84 × 9 = 270/756
  3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
    80/54 = 80 × 14/54 × 14 = 1120/756
  4. Add the two like fractions:
    270/756 + 1120/756 = 270 + 1120/756 = 1390/756
  5. 1390/756 simplified gives 695/378
  6. So, 30/84 + 80/54 = 695/378
    In mixed form: 1317/378

MathStep (Works offline)

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

Related:

© everydaycalculation.com