Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/56 from 3/10

3/10 - 42/56 is -9/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 10 × 28 = 280,
    3/10 = 3 × 28/10 × 28 = 84/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    42/56 = 42 × 5/56 × 5 = 210/280
  4. Subtract the two like fractions:
    84/280 - 210/280 = 84 - 210/280 = -126/280
  5. After reducing the fraction, the answer is -9/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com