Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 24/20 from 9/90

1st number: 9/90, 2nd number: 1 4/20

9/90 - 24/20 is -11/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 20 is 180
  2. For the 1st fraction, since 90 × 2 = 180,
    9/90 = 9 × 2/90 × 2 = 18/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    24/20 = 24 × 9/20 × 9 = 216/180
  4. Subtract the two fractions:
    18/180 - 216/180 = 18 - 216/180 = -198/180
  5. After reducing the fraction, the answer is -11/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com