Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/75 and 63/64

21/75 + 63/64 is 2023/1600.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 64 is 4800

    Next, find the equivalent fraction of both fractional numbers with denominator 4800
  2. For the 1st fraction, since 75 × 64 = 4800,
    21/75 = 21 × 64/75 × 64 = 1344/4800
  3. Likewise, for the 2nd fraction, since 64 × 75 = 4800,
    63/64 = 63 × 75/64 × 75 = 4725/4800
  4. Add the two like fractions:
    1344/4800 + 4725/4800 = 1344 + 4725/4800 = 6069/4800
  5. 6069/4800 simplified gives 2023/1600
  6. So, 21/75 + 63/64 = 2023/1600
    In mixed form: 1423/1600

MathStep (Works offline)

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

Related:

© everydaycalculation.com