Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/20 from 90/5

1st number: 18 0/5, 2nd number: 5/20

90/5 - 5/20 is 71/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 5 × 4 = 20,
    90/5 = 90 × 4/5 × 4 = 360/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    5/20 = 5 × 1/20 × 1 = 5/20
  4. Subtract the two like fractions:
    360/20 - 5/20 = 360 - 5/20 = 355/20
  5. After reducing the fraction, the answer is 71/4
  6. In mixed form: 173/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com