Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/14 from 21/3

1st number: 7 0/3, 2nd number: 1 1/14

21/3 - 15/14 is 83/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 14 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 3 × 14 = 42,
    21/3 = 21 × 14/3 × 14 = 294/42
  3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
    15/14 = 15 × 3/14 × 3 = 45/42
  4. Subtract the two like fractions:
    294/42 - 45/42 = 294 - 45/42 = 249/42
  5. After reducing the fraction, the answer is 83/14
  6. In mixed form: 513/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com