Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 50/45 from 81/18

1st number: 4 9/18, 2nd number: 1 5/45

81/18 - 50/45 is 61/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    81/18 = 81 × 5/18 × 5 = 405/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    50/45 = 50 × 2/45 × 2 = 100/90
  4. Subtract the two like fractions:
    405/90 - 100/90 = 405 - 100/90 = 305/90
  5. After reducing the fraction, the answer is 61/18
  6. In mixed form: 37/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com