Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/40 from 56/18

1st number: 3 2/18, 2nd number: 12/40

56/18 - 12/40 is 253/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    56/18 = 56 × 20/18 × 20 = 1120/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    12/40 = 12 × 9/40 × 9 = 108/360
  4. Subtract the two like fractions:
    1120/360 - 108/360 = 1120 - 108/360 = 1012/360
  5. After reducing the fraction, the answer is 253/90
  6. In mixed form: 273/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com