Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/21 and 12/25

1st number: 4 0/21, 2nd number: 12/25

84/21 + 12/25 is 112/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 25 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 21 × 25 = 525,
    84/21 = 84 × 25/21 × 25 = 2100/525
  3. Likewise, for the 2nd fraction, since 25 × 21 = 525,
    12/25 = 12 × 21/25 × 21 = 252/525
  4. Add the two like fractions:
    2100/525 + 252/525 = 2100 + 252/525 = 2352/525
  5. 2352/525 simplified gives 112/25
  6. So, 84/21 + 12/25 = 112/25
    In mixed form: 412/25

MathStep (Works offline)

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

Related:

© everydaycalculation.com