Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/25 and 2/21

18/25 + 2/21 is 428/525.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 25 × 21 = 525,
    18/25 = 18 × 21/25 × 21 = 378/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    2/21 = 2 × 25/21 × 25 = 50/525
  4. Add the two like fractions:
    378/525 + 50/525 = 378 + 50/525 = 428/525
  5. So, 18/25 + 2/21 = 428/525

MathStep (Works offline)

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

Related:

© everydaycalculation.com