Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/9 from 15/8

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

15/8 - 10/9 is 55/72.

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,
    15/8 = 15 × 9/8 × 9 = 135/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    10/9 = 10 × 8/9 × 8 = 80/72
  4. Subtract the two like fractions:
    135/72 - 80/72 = 135 - 80/72 = 55/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com