Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 35/21 and 12/54

1st number: 1 14/21, 2nd number: 12/54

35/21 + 12/54 is 17/9.

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,
    12/54 = 12 × 7/54 × 7 = 84/378
  4. Add the two fractions:
    630/378 + 84/378 = 630 + 84/378 = 714/378
  5. After reducing the fraction, the answer is 17/9
  6. In mixed form: 18/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com