Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 50/84 and 21/30

50/84 + 21/30 is 136/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    50/84 = 50 × 5/84 × 5 = 250/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    21/30 = 21 × 14/30 × 14 = 294/420
  4. Add the two like fractions:
    250/420 + 294/420 = 250 + 294/420 = 544/420
  5. 544/420 simplified gives 136/105
  6. So, 50/84 + 21/30 = 136/105
    In mixed form: 131/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com