Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/30 from 25/40

25/40 - 7/30 is 47/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    25/40 = 25 × 3/40 × 3 = 75/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    7/30 = 7 × 4/30 × 4 = 28/120
  4. Subtract the two like fractions:
    75/120 - 28/120 = 75 - 28/120 = 47/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com