Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 72/20 from 1/12

1st number: 1/12, 2nd number: 3 12/20

1/12 - 72/20 is -211/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    1/12 = 1 × 5/12 × 5 = 5/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    72/20 = 72 × 3/20 × 3 = 216/60
  4. Subtract the two like fractions:
    5/60 - 216/60 = 5 - 216/60 = -211/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com