Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/12 from 30/18

1st number: 1 12/18, 2nd number: 4 1/12

30/18 - 49/12 is -29/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 12 is 36
  2. For the 1st fraction, since 18 × 2 = 36,
    30/18 = 30 × 2/18 × 2 = 60/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    49/12 = 49 × 3/12 × 3 = 147/36
  4. Subtract the two fractions:
    60/36 - 147/36 = 60 - 147/36 = -87/36
  5. After reducing the fraction, the answer is -29/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com