Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 10/5 from 7/15

1st number: 7/15, 2nd number: 2 0/5

7/15 - 10/5 is -23/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 5 is 15
  2. For the 1st fraction, since 15 × 1 = 15,
    7/15 = 7 × 1/15 × 1 = 7/15
  3. Likewise, for the 2nd fraction, since 5 × 3 = 15,
    10/5 = 10 × 3/5 × 3 = 30/15
  4. Subtract the two fractions:
    7/15 - 30/15 = 7 - 30/15 = -23/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com