Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 35/27 from 28/40

1st number: 28/40, 2nd number: 1 8/27

28/40 - 35/27 is -161/270.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 27 is 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    28/40 = 28 × 27/40 × 27 = 756/1080
  3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
    35/27 = 35 × 40/27 × 40 = 1400/1080
  4. Subtract the two fractions:
    756/1080 - 1400/1080 = 756 - 1400/1080 = -644/1080
  5. After reducing the fraction, the answer is -161/270

MathStep (Works offline)

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

Related:

© everydaycalculation.com