Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/5 from 14/36

1st number: 14/36, 2nd number: 4 1/5

14/36 - 21/5 is -343/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 5 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    14/36 = 14 × 5/36 × 5 = 70/180
  3. Likewise, for the 2nd fraction, since 5 × 36 = 180,
    21/5 = 21 × 36/5 × 36 = 756/180
  4. Subtract the two like fractions:
    70/180 - 756/180 = 70 - 756/180 = -686/180
  5. After reducing the fraction, the answer is -343/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com