Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 15/9 from 60/84

1st number: 60/84, 2nd number: 1 6/9

60/84 - 15/9 is -20/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 9 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    60/84 = 60 × 3/84 × 3 = 180/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    15/9 = 15 × 28/9 × 28 = 420/252
  4. Subtract the two fractions:
    180/252 - 420/252 = 180 - 420/252 = -240/252
  5. After reducing the fraction, the answer is -20/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com