Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/8 from 15/5

1st number: 3 0/5, 2nd number: 1 1/8

15/5 - 9/8 is 15/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 5 × 8 = 40,
    15/5 = 15 × 8/5 × 8 = 120/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    9/8 = 9 × 5/8 × 5 = 45/40
  4. Subtract the two like fractions:
    120/40 - 45/40 = 120 - 45/40 = 75/40
  5. After reducing the fraction, the answer is 15/8
  6. In mixed form: 17/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com