Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/81 from 36/9

1st number: 4 0/9, 2nd number: 70/81

36/9 - 70/81 is 254/81.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 81 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 9 × 9 = 81,
    36/9 = 36 × 9/9 × 9 = 324/81
  3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
    70/81 = 70 × 1/81 × 1 = 70/81
  4. Subtract the two like fractions:
    324/81 - 70/81 = 324 - 70/81 = 254/81
  5. In mixed form: 311/81

MathStep (Works offline)

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

Related:

© everydaycalculation.com