Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/48 and 15/25

21/48 + 15/25 is 83/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 25 is 1200

    Next, find the equivalent fraction of both fractional numbers with denominator 1200
  2. For the 1st fraction, since 48 × 25 = 1200,
    21/48 = 21 × 25/48 × 25 = 525/1200
  3. Likewise, for the 2nd fraction, since 25 × 48 = 1200,
    15/25 = 15 × 48/25 × 48 = 720/1200
  4. Add the two like fractions:
    525/1200 + 720/1200 = 525 + 720/1200 = 1245/1200
  5. 1245/1200 simplified gives 83/80
  6. So, 21/48 + 15/25 = 83/80
    In mixed form: 13/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com