Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 81/8 from 48/15

1st number: 3 3/15, 2nd number: 10 1/8

48/15 - 81/8 is -277/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    48/15 = 48 × 8/15 × 8 = 384/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    81/8 = 81 × 15/8 × 15 = 1215/120
  4. Subtract the two like fractions:
    384/120 - 1215/120 = 384 - 1215/120 = -831/120
  5. After reducing the fraction, the answer is -277/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com