Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 75/5 from 30/70

1st number: 30/70, 2nd number: 15 0/5

30/70 - 75/5 is -102/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 5 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    30/70 = 30 × 1/70 × 1 = 30/70
  3. Likewise, for the 2nd fraction, since 5 × 14 = 70,
    75/5 = 75 × 14/5 × 14 = 1050/70
  4. Subtract the two like fractions:
    30/70 - 1050/70 = 30 - 1050/70 = -1020/70
  5. After reducing the fraction, the answer is -102/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com