Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/27 from 20/36

1st number: 20/36, 2nd number: 2 16/27

20/36 - 70/27 is -55/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 27 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 36 × 3 = 108,
    20/36 = 20 × 3/36 × 3 = 60/108
  3. Likewise, for the 2nd fraction, since 27 × 4 = 108,
    70/27 = 70 × 4/27 × 4 = 280/108
  4. Subtract the two like fractions:
    60/108 - 280/108 = 60 - 280/108 = -220/108
  5. After reducing the fraction, the answer is -55/27

MathStep (Works offline)

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

Related:

© everydaycalculation.com