Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/12 from 5/30

1st number: 5/30, 2nd number: 1 8/12

5/30 - 20/12 is -3/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    5/30 = 5 × 2/30 × 2 = 10/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    20/12 = 20 × 5/12 × 5 = 100/60
  4. Subtract the two like fractions:
    10/60 - 100/60 = 10 - 100/60 = -90/60
  5. After reducing the fraction, the answer is -3/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com