Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/16 from 18/2

1st number: 9 0/2, 2nd number: 1 5/16

18/2 - 21/16 is 123/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 16 is 16

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 2 × 8 = 16,
    18/2 = 18 × 8/2 × 8 = 144/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    21/16 = 21 × 1/16 × 1 = 21/16
  4. Subtract the two like fractions:
    144/16 - 21/16 = 144 - 21/16 = 123/16
  5. In mixed form: 711/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com