Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/5 from 15/30

15/30 - 4/5 is -3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 5 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 30 × 1 = 30,
    15/30 = 15 × 1/30 × 1 = 15/30
  3. Likewise, for the 2nd fraction, since 5 × 6 = 30,
    4/5 = 4 × 6/5 × 6 = 24/30
  4. Subtract the two like fractions:
    15/30 - 24/30 = 15 - 24/30 = -9/30
  5. After reducing the fraction, the answer is -3/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com