Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/6 from 8/30

1st number: 8/30, 2nd number: 7 0/6

8/30 - 42/6 is -101/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 6 is 30
  2. For the 1st fraction, since 30 × 1 = 30,
    8/30 = 8 × 1/30 × 1 = 8/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    42/6 = 42 × 5/6 × 5 = 210/30
  4. Subtract the two fractions:
    8/30 - 210/30 = 8 - 210/30 = -202/30
  5. After reducing the fraction, the answer is -101/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com