Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/20 from 56/18

1st number: 3 2/18, 2nd number: 4/20

56/18 - 4/20 is 131/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    56/18 = 56 × 10/18 × 10 = 560/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    4/20 = 4 × 9/20 × 9 = 36/180
  4. Subtract the two like fractions:
    560/180 - 36/180 = 560 - 36/180 = 524/180
  5. After reducing the fraction, the answer is 131/45
  6. In mixed form: 241/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com