Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/48 from 28/30

28/30 - 45/48 is -1/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 48 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 30 × 8 = 240,
    28/30 = 28 × 8/30 × 8 = 224/240
  3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
    45/48 = 45 × 5/48 × 5 = 225/240
  4. Subtract the two like fractions:
    224/240 - 225/240 = 224 - 225/240 = -1/240

MathStep (Works offline)

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

Related:

© everydaycalculation.com