Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/56 from 3/40

3/40 - 49/56 is -4/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    3/40 = 3 × 7/40 × 7 = 21/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    49/56 = 49 × 5/56 × 5 = 245/280
  4. Subtract the two like fractions:
    21/280 - 245/280 = 21 - 245/280 = -224/280
  5. After reducing the fraction, the answer is -4/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com