Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/90 from 8/4

1st number: 2 0/4, 2nd number: 4/90

8/4 - 4/90 is 88/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    8/4 = 8 × 45/4 × 45 = 360/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    4/90 = 4 × 2/90 × 2 = 8/180
  4. Subtract the two like fractions:
    360/180 - 8/180 = 360 - 8/180 = 352/180
  5. After reducing the fraction, the answer is 88/45
  6. In mixed form: 143/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com