Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/56 and 5/9

21/56 + 5/9 is 67/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 9 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    21/56 = 21 × 9/56 × 9 = 189/504
  3. Likewise, for the 2nd fraction, since 9 × 56 = 504,
    5/9 = 5 × 56/9 × 56 = 280/504
  4. Add the two like fractions:
    189/504 + 280/504 = 189 + 280/504 = 469/504
  5. 469/504 simplified gives 67/72
  6. So, 21/56 + 5/9 = 67/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com