Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/63 from 25/8

1st number: 3 1/8, 2nd number: 21/63

25/8 - 21/63 is 67/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 8 × 63 = 504,
    25/8 = 25 × 63/8 × 63 = 1575/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    21/63 = 21 × 8/63 × 8 = 168/504
  4. Subtract the two like fractions:
    1575/504 - 168/504 = 1575 - 168/504 = 1407/504
  5. After reducing the fraction, the answer is 67/24
  6. In mixed form: 219/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com