Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 56/90 from 15/25

15/25 - 56/90 is -1/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450
  2. For the 1st fraction, since 25 × 18 = 450,
    15/25 = 15 × 18/25 × 18 = 270/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    56/90 = 56 × 5/90 × 5 = 280/450
  4. Subtract the two fractions:
    270/450 - 280/450 = 270 - 280/450 = -10/450
  5. After reducing the fraction, the answer is -1/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com