Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/9 from 35/21

1st number: 1 14/21, 2nd number: 1 3/9

35/21 - 12/9 is 1/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63
  2. For the 1st fraction, since 21 × 3 = 63,
    35/21 = 35 × 3/21 × 3 = 105/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    12/9 = 12 × 7/9 × 7 = 84/63
  4. Subtract the two fractions:
    105/63 - 84/63 = 105 - 84/63 = 21/63
  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