Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 2/90 from 18/8

1st number: 2 2/8, 2nd number: 2/90

18/8 - 2/90 is 401/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    18/8 = 18 × 45/8 × 45 = 810/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    2/90 = 2 × 4/90 × 4 = 8/360
  4. Subtract the two like fractions:
    810/360 - 8/360 = 810 - 8/360 = 802/360
  5. After reducing the fraction, the answer is 401/180
  6. In mixed form: 241/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com