Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 16/15 from 8/18

1st number: 8/18, 2nd number: 1 1/15

8/18 - 16/15 is -28/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 15 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    8/18 = 8 × 5/18 × 5 = 40/90
  3. Likewise, for the 2nd fraction, since 15 × 6 = 90,
    16/15 = 16 × 6/15 × 6 = 96/90
  4. Subtract the two like fractions:
    40/90 - 96/90 = 40 - 96/90 = -56/90
  5. After reducing the fraction, the answer is -28/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com