Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/5 from 21/32

1st number: 21/32, 2nd number: 2 2/5

21/32 - 12/5 is -279/160.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 5 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 32 × 5 = 160,
    21/32 = 21 × 5/32 × 5 = 105/160
  3. Likewise, for the 2nd fraction, since 5 × 32 = 160,
    12/5 = 12 × 32/5 × 32 = 384/160
  4. Subtract the two like fractions:
    105/160 - 384/160 = 105 - 384/160 = -279/160

MathStep (Works offline)

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

Related:

© everydaycalculation.com