Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/18 from 10/72

10/72 - 3/18 is -1/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    10/72 = 10 × 1/72 × 1 = 10/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    3/18 = 3 × 4/18 × 4 = 12/72
  4. Subtract the two like fractions:
    10/72 - 12/72 = 10 - 12/72 = -2/72
  5. After reducing the fraction, the answer is -1/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com