Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/25 from 18/56

1st number: 18/56, 2nd number: 1 20/25

18/56 - 45/25 is -207/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 25 is 1400
  2. For the 1st fraction, since 56 × 25 = 1400,
    18/56 = 18 × 25/56 × 25 = 450/1400
  3. Likewise, for the 2nd fraction, since 25 × 56 = 1400,
    45/25 = 45 × 56/25 × 56 = 2520/1400
  4. Subtract the two fractions:
    450/1400 - 2520/1400 = 450 - 2520/1400 = -2070/1400
  5. After reducing the fraction, the answer is -207/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com