Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 16/9 from 81/8

1st number: 10 1/8, 2nd number: 1 7/9

81/8 - 16/9 is 601/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    81/8 = 81 × 9/8 × 9 = 729/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    16/9 = 16 × 8/9 × 8 = 128/72
  4. Subtract the two like fractions:
    729/72 - 128/72 = 729 - 128/72 = 601/72
  5. In mixed form: 825/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com