Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/42 from 75/70

1st number: 1 5/70, 2nd number: 8/42

75/70 - 8/42 is 37/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    75/70 = 75 × 3/70 × 3 = 225/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    8/42 = 8 × 5/42 × 5 = 40/210
  4. Subtract the two like fractions:
    225/210 - 40/210 = 225 - 40/210 = 185/210
  5. After reducing the fraction, the answer is 37/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com