Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/64 and 5/9

21/64 + 5/9 is 509/576.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 9 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 64 × 9 = 576,
    21/64 = 21 × 9/64 × 9 = 189/576
  3. Likewise, for the 2nd fraction, since 9 × 64 = 576,
    5/9 = 5 × 64/9 × 64 = 320/576
  4. Add the two like fractions:
    189/576 + 320/576 = 189 + 320/576 = 509/576
  5. So, 21/64 + 5/9 = 509/576

MathStep (Works offline)

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

Related:

© everydaycalculation.com