Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/64 and 35/45

21/64 + 35/45 is 637/576.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 45 is 2880

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 64 × 45 = 2880,
    21/64 = 21 × 45/64 × 45 = 945/2880
  3. Likewise, for the 2nd fraction, since 45 × 64 = 2880,
    35/45 = 35 × 64/45 × 64 = 2240/2880
  4. Add the two like fractions:
    945/2880 + 2240/2880 = 945 + 2240/2880 = 3185/2880
  5. 3185/2880 simplified gives 637/576
  6. So, 21/64 + 35/45 = 637/576
    In mixed form: 161/576

MathStep (Works offline)

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

Related:

© everydaycalculation.com