Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/60 from 25/21

1st number: 1 4/21, 2nd number: 9/60

25/21 - 9/60 is 437/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 60 is 420
  2. For the 1st fraction, since 21 × 20 = 420,
    25/21 = 25 × 20/21 × 20 = 500/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    9/60 = 9 × 7/60 × 7 = 63/420
  4. Subtract the two fractions:
    500/420 - 63/420 = 500 - 63/420 = 437/420
  5. In mixed form: 117/420

MathStep (Works offline)

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

Related:

© everydaycalculation.com