Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 2/81 from 28/8

1st number: 3 4/8, 2nd number: 2/81

28/8 - 2/81 is 563/162.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 81 is 648
  2. For the 1st fraction, since 8 × 81 = 648,
    28/8 = 28 × 81/8 × 81 = 2268/648
  3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
    2/81 = 2 × 8/81 × 8 = 16/648
  4. Subtract the two fractions:
    2268/648 - 16/648 = 2268 - 16/648 = 2252/648
  5. After reducing the fraction, the answer is 563/162
  6. In mixed form: 377/162

MathStep (Works offline)

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

Related:

© everydaycalculation.com