Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 2/81 from 28/16

1st number: 1 12/16, 2nd number: 2/81

28/16 - 2/81 is 559/324.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 81 is 1296
  2. For the 1st fraction, since 16 × 81 = 1296,
    28/16 = 28 × 81/16 × 81 = 2268/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    2/81 = 2 × 16/81 × 16 = 32/1296
  4. Subtract the two fractions:
    2268/1296 - 32/1296 = 2268 - 32/1296 = 2236/1296
  5. After reducing the fraction, the answer is 559/324
  6. In mixed form: 1235/324

MathStep (Works offline)

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

Related:

© everydaycalculation.com