Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/7 from 1/30

1st number: 1/30, 2nd number: 1 1/7

1/30 - 8/7 is -233/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    1/30 = 1 × 7/30 × 7 = 7/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    8/7 = 8 × 30/7 × 30 = 240/210
  4. Subtract the two fractions:
    7/210 - 240/210 = 7 - 240/210 = -233/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com