Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/21 from 7/3

1st number: 2 1/3, 2nd number: 4/21

7/3 - 4/21 is 15/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    7/3 = 7 × 7/3 × 7 = 49/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    4/21 = 4 × 1/21 × 1 = 4/21
  4. Subtract the two like fractions:
    49/21 - 4/21 = 49 - 4/21 = 45/21
  5. After reducing the fraction, the answer is 15/7
  6. In mixed form: 21/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com