Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/64 from 70/27

1st number: 2 16/27, 2nd number: 15/64

70/27 - 15/64 is 4075/1728.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 64 is 1728

    Next, find the equivalent fraction of both fractional numbers with denominator 1728
  2. For the 1st fraction, since 27 × 64 = 1728,
    70/27 = 70 × 64/27 × 64 = 4480/1728
  3. Likewise, for the 2nd fraction, since 64 × 27 = 1728,
    15/64 = 15 × 27/64 × 27 = 405/1728
  4. Subtract the two like fractions:
    4480/1728 - 405/1728 = 4480 - 405/1728 = 4075/1728
  5. In mixed form: 2619/1728

MathStep (Works offline)

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

Related:

© everydaycalculation.com