Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 75/70 from 1/30

1st number: 1/30, 2nd number: 1 5/70

1/30 - 75/70 is -109/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 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 70 × 3 = 210,
    75/70 = 75 × 3/70 × 3 = 225/210
  4. Subtract the two like fractions:
    7/210 - 225/210 = 7 - 225/210 = -218/210
  5. After reducing the fraction, the answer is -109/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com