Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 4/40 from 40/18

1st number: 2 4/18, 2nd number: 4/40

40/18 - 4/40 is 191/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360
  2. For the 1st fraction, since 18 × 20 = 360,
    40/18 = 40 × 20/18 × 20 = 800/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    4/40 = 4 × 9/40 × 9 = 36/360
  4. Subtract the two fractions:
    800/360 - 36/360 = 800 - 36/360 = 764/360
  5. After reducing the fraction, the answer is 191/90
  6. In mixed form: 211/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com