Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 45/60 from 50/21

1st number: 2 8/21, 2nd number: 45/60

50/21 - 45/60 is 137/84.

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,
    50/21 = 50 × 20/21 × 20 = 1000/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    45/60 = 45 × 7/60 × 7 = 315/420
  4. Subtract the two fractions:
    1000/420 - 315/420 = 1000 - 315/420 = 685/420
  5. After reducing the fraction, the answer is 137/84
  6. In mixed form: 153/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com