Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/50 and 12/84

21/50 + 12/84 is 197/350.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 84 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 50 × 42 = 2100,
    21/50 = 21 × 42/50 × 42 = 882/2100
  3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
    12/84 = 12 × 25/84 × 25 = 300/2100
  4. Add the two like fractions:
    882/2100 + 300/2100 = 882 + 300/2100 = 1182/2100
  5. 1182/2100 simplified gives 197/350
  6. So, 21/50 + 12/84 = 197/350

MathStep (Works offline)

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

Related:

© everydaycalculation.com