Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 50/81 and 21/63

50/81 + 21/63 is 77/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 63 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 81 × 7 = 567,
    50/81 = 50 × 7/81 × 7 = 350/567
  3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
    21/63 = 21 × 9/63 × 9 = 189/567
  4. Add the two like fractions:
    350/567 + 189/567 = 350 + 189/567 = 539/567
  5. 539/567 simplified gives 77/81
  6. So, 50/81 + 21/63 = 77/81

MathStep (Works offline)

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

Related:

© everydaycalculation.com