Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 54/12 from 1/90

1st number: 1/90, 2nd number: 4 6/12

1/90 - 54/12 is -202/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 12 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    1/90 = 1 × 2/90 × 2 = 2/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    54/12 = 54 × 15/12 × 15 = 810/180
  4. Subtract the two like fractions:
    2/180 - 810/180 = 2 - 810/180 = -808/180
  5. After reducing the fraction, the answer is -202/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com