Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 35/21 and 84/54

1st number: 1 14/21, 2nd number: 1 30/54

35/21 + 84/54 is 29/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 54 is 378
  2. For the 1st fraction, since 21 × 18 = 378,
    35/21 = 35 × 18/21 × 18 = 630/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    84/54 = 84 × 7/54 × 7 = 588/378
  4. Add the two fractions:
    630/378 + 588/378 = 630 + 588/378 = 1218/378
  5. 1218/378 simplified gives 29/9
  6. So, 35/21 + 84/54 = 29/9
    In mixed form: 32/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com