Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/20 from 16/63

16/63 - 8/20 is -46/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    16/63 = 16 × 20/63 × 20 = 320/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    8/20 = 8 × 63/20 × 63 = 504/1260
  4. Subtract the two like fractions:
    320/1260 - 504/1260 = 320 - 504/1260 = -184/1260
  5. After reducing the fraction, the answer is -46/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com