Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/63 from 63/21

1st number: 3 0/21, 2nd number: 3/63

63/21 - 3/63 is 62/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 63 is 63
  2. For the 1st fraction, since 21 × 3 = 63,
    63/21 = 63 × 3/21 × 3 = 189/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    3/63 = 3 × 1/63 × 1 = 3/63
  4. Subtract the two fractions:
    189/63 - 3/63 = 189 - 3/63 = 186/63
  5. After reducing the fraction, the answer is 62/21
  6. In mixed form: 220/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com