Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/15 from 18/8

1st number: 2 2/8, 2nd number: 3/15

18/8 - 3/15 is 41/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 15 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    18/8 = 18 × 15/8 × 15 = 270/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    3/15 = 3 × 8/15 × 8 = 24/120
  4. Subtract the two like fractions:
    270/120 - 24/120 = 270 - 24/120 = 246/120
  5. After reducing the fraction, the answer is 41/20
  6. In mixed form: 21/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com