Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/16 from 21/28

21/28 - 9/16 is 3/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 16 is 112

    Next, find the equivalent fraction of both fractional numbers with denominator 112
  2. For the 1st fraction, since 28 × 4 = 112,
    21/28 = 21 × 4/28 × 4 = 84/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    9/16 = 9 × 7/16 × 7 = 63/112
  4. Subtract the two like fractions:
    84/112 - 63/112 = 84 - 63/112 = 21/112
  5. After reducing the fraction, the answer is 3/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com