Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 18/80 from 56/45

1st number: 1 11/45, 2nd number: 18/80

56/45 - 18/80 is 367/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 80 is 720
  2. For the 1st fraction, since 45 × 16 = 720,
    56/45 = 56 × 16/45 × 16 = 896/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    18/80 = 18 × 9/80 × 9 = 162/720
  4. Subtract the two fractions:
    896/720 - 162/720 = 896 - 162/720 = 734/720
  5. After reducing the fraction, the answer is 367/360
  6. In mixed form: 17/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com