Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 10/27 from 84/81

1st number: 1 3/81, 2nd number: 10/27

84/81 - 10/27 is 2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 27 is 81
  2. For the 1st fraction, since 81 × 1 = 81,
    84/81 = 84 × 1/81 × 1 = 84/81
  3. Likewise, for the 2nd fraction, since 27 × 3 = 81,
    10/27 = 10 × 3/27 × 3 = 30/81
  4. Subtract the two fractions:
    84/81 - 30/81 = 84 - 30/81 = 54/81
  5. After reducing the fraction, the answer is 2/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com