Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 90/24 from 30/15

1st number: 2 0/15, 2nd number: 3 18/24

30/15 - 90/24 is -7/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 24 is 120
  2. For the 1st fraction, since 15 × 8 = 120,
    30/15 = 30 × 8/15 × 8 = 240/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    90/24 = 90 × 5/24 × 5 = 450/120
  4. Subtract the two fractions:
    240/120 - 450/120 = 240 - 450/120 = -210/120
  5. After reducing the fraction, the answer is -7/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com