Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 25/27 from 7/45

7/45 - 25/27 is -104/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 45 × 3 = 135,
    7/45 = 7 × 3/45 × 3 = 21/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    25/27 = 25 × 5/27 × 5 = 125/135
  4. Subtract the two like fractions:
    21/135 - 125/135 = 21 - 125/135 = -104/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com