Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 81/3 from 64/70

1st number: 64/70, 2nd number: 27 0/3

64/70 - 81/3 is -913/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 3 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    64/70 = 64 × 3/70 × 3 = 192/210
  3. Likewise, for the 2nd fraction, since 3 × 70 = 210,
    81/3 = 81 × 70/3 × 70 = 5670/210
  4. Subtract the two like fractions:
    192/210 - 5670/210 = 192 - 5670/210 = -5478/210
  5. After reducing the fraction, the answer is -913/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com