Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/7 from 16/21

16/21 - 3/7 is 1/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 7 is 21

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

MathStep (Works offline)

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

Related:

© everydaycalculation.com