Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 27/70 from 1/15

1/15 - 27/70 is -67/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    1/15 = 1 × 14/15 × 14 = 14/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    27/70 = 27 × 3/70 × 3 = 81/210
  4. Subtract the two like fractions:
    14/210 - 81/210 = 14 - 81/210 = -67/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com