Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/8 from 21/16

1st number: 1 5/16, 2nd number: 6 1/8

21/16 - 49/8 is -77/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 8 is 16

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 16 × 1 = 16,
    21/16 = 21 × 1/16 × 1 = 21/16
  3. Likewise, for the 2nd fraction, since 8 × 2 = 16,
    49/8 = 49 × 2/8 × 2 = 98/16
  4. Subtract the two like fractions:
    21/16 - 98/16 = 21 - 98/16 = -77/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com