Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 12/24 from 7/90

7/90 - 12/24 is -19/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 24 is 360
  2. For the 1st fraction, since 90 × 4 = 360,
    7/90 = 7 × 4/90 × 4 = 28/360
  3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
    12/24 = 12 × 15/24 × 15 = 180/360
  4. Subtract the two fractions:
    28/360 - 180/360 = 28 - 180/360 = -152/360
  5. After reducing the fraction, the answer is -19/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com