Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/7 from 15/2

1st number: 7 1/2, 2nd number: 1 2/7

15/2 - 9/7 is 87/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 7 is 14
  2. For the 1st fraction, since 2 × 7 = 14,
    15/2 = 15 × 7/2 × 7 = 105/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    9/7 = 9 × 2/7 × 2 = 18/14
  4. Subtract the two fractions:
    105/14 - 18/14 = 105 - 18/14 = 87/14
  5. In mixed form: 63/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com