Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/36 from 30/20

1st number: 1 10/20, 2nd number: 15/36

30/20 - 15/36 is 13/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    30/20 = 30 × 9/20 × 9 = 270/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    15/36 = 15 × 5/36 × 5 = 75/180
  4. Subtract the two like fractions:
    270/180 - 75/180 = 270 - 75/180 = 195/180
  5. After reducing the fraction, the answer is 13/12
  6. In mixed form: 11/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com