Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/24 from 30/54

1st number: 30/54, 2nd number: 1 18/24

30/54 - 42/24 is -43/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 24 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 54 × 4 = 216,
    30/54 = 30 × 4/54 × 4 = 120/216
  3. Likewise, for the 2nd fraction, since 24 × 9 = 216,
    42/24 = 42 × 9/24 × 9 = 378/216
  4. Subtract the two like fractions:
    120/216 - 378/216 = 120 - 378/216 = -258/216
  5. After reducing the fraction, the answer is -43/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com