Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/64 from 35/81

35/81 - 30/64 is -95/2592.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 64 is 5184

    Next, find the equivalent fraction of both fractional numbers with denominator 5184
  2. For the 1st fraction, since 81 × 64 = 5184,
    35/81 = 35 × 64/81 × 64 = 2240/5184
  3. Likewise, for the 2nd fraction, since 64 × 81 = 5184,
    30/64 = 30 × 81/64 × 81 = 2430/5184
  4. Subtract the two like fractions:
    2240/5184 - 2430/5184 = 2240 - 2430/5184 = -190/5184
  5. After reducing the fraction, the answer is -95/2592

MathStep (Works offline)

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

Related:

© everydaycalculation.com