Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/18 from 4/15

1st number: 4/15, 2nd number: 2 9/18

4/15 - 45/18 is -67/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    4/15 = 4 × 6/15 × 6 = 24/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    45/18 = 45 × 5/18 × 5 = 225/90
  4. Subtract the two fractions:
    24/90 - 225/90 = 24 - 225/90 = -201/90
  5. After reducing the fraction, the answer is -67/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com