Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 90/63 from 3/36

1st number: 3/36, 2nd number: 1 27/63

3/36 - 90/63 is -113/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    3/36 = 3 × 7/36 × 7 = 21/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    90/63 = 90 × 4/63 × 4 = 360/252
  4. Subtract the two like fractions:
    21/252 - 360/252 = 21 - 360/252 = -339/252
  5. After reducing the fraction, the answer is -113/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com