Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 16/20 from 3/63

3/63 - 16/20 is -79/105.

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,
    3/63 = 3 × 20/63 × 20 = 60/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    16/20 = 16 × 63/20 × 63 = 1008/1260
  4. Subtract the two like fractions:
    60/1260 - 1008/1260 = 60 - 1008/1260 = -948/1260
  5. After reducing the fraction, the answer is -79/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com