Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/16 from 8/56

1st number: 8/56, 2nd number: 1 5/16

8/56 - 21/16 is -131/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 16 is 112

    Next, find the equivalent fraction of both fractional numbers with denominator 112
  2. For the 1st fraction, since 56 × 2 = 112,
    8/56 = 8 × 2/56 × 2 = 16/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    21/16 = 21 × 7/16 × 7 = 147/112
  4. Subtract the two like fractions:
    16/112 - 147/112 = 16 - 147/112 = -131/112

MathStep (Works offline)

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

Related:

© everydaycalculation.com