Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 2/7 from 6/40

6/40 - 2/7 is -19/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 7 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    6/40 = 6 × 7/40 × 7 = 42/280
  3. Likewise, for the 2nd fraction, since 7 × 40 = 280,
    2/7 = 2 × 40/7 × 40 = 80/280
  4. Subtract the two like fractions:
    42/280 - 80/280 = 42 - 80/280 = -38/280
  5. After reducing the fraction, the answer is -19/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com