Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/45 from 5/84

5/84 - 15/45 is -23/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 45 is 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    5/84 = 5 × 15/84 × 15 = 75/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    15/45 = 15 × 28/45 × 28 = 420/1260
  4. Subtract the two fractions:
    75/1260 - 420/1260 = 75 - 420/1260 = -345/1260
  5. After reducing the fraction, the answer is -23/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com