Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/16 from 30/8

1st number: 3 6/8, 2nd number: 1 5/16

30/8 - 21/16 is 39/16.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 8 × 2 = 16,
    30/8 = 30 × 2/8 × 2 = 60/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    21/16 = 21 × 1/16 × 1 = 21/16
  4. Subtract the two like fractions:
    60/16 - 21/16 = 60 - 21/16 = 39/16
  5. In mixed form: 27/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com