Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/63 from 15/84

15/84 - 7/63 is 17/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    15/84 = 15 × 3/84 × 3 = 45/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    7/63 = 7 × 4/63 × 4 = 28/252
  4. Subtract the two like fractions:
    45/252 - 28/252 = 45 - 28/252 = 17/252

MathStep (Works offline)

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

Related:

© everydaycalculation.com