Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/45 from 40/54

1st number: 40/54, 2nd number: 1 25/45

40/54 - 70/45 is -22/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 45 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    40/54 = 40 × 5/54 × 5 = 200/270
  3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
    70/45 = 70 × 6/45 × 6 = 420/270
  4. Subtract the two like fractions:
    200/270 - 420/270 = 200 - 420/270 = -220/270
  5. After reducing the fraction, the answer is -22/27

MathStep (Works offline)

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

Related:

© everydaycalculation.com