Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 24/40 from 18/49

18/49 - 24/40 is -57/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 40 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 49 × 40 = 1960,
    18/49 = 18 × 40/49 × 40 = 720/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    24/40 = 24 × 49/40 × 49 = 1176/1960
  4. Subtract the two like fractions:
    720/1960 - 1176/1960 = 720 - 1176/1960 = -456/1960
  5. After reducing the fraction, the answer is -57/245

MathStep (Works offline)

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

Related:

© everydaycalculation.com