Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 4/40 from 48/54

48/54 - 4/40 is 71/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 40 is 1080
  2. For the 1st fraction, since 54 × 20 = 1080,
    48/54 = 48 × 20/54 × 20 = 960/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    4/40 = 4 × 27/40 × 27 = 108/1080
  4. Subtract the two fractions:
    960/1080 - 108/1080 = 960 - 108/1080 = 852/1080
  5. After reducing the fraction, the answer is 71/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com