Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 90/50 from 21/6

1st number: 3 3/6, 2nd number: 1 40/50

21/6 - 90/50 is 17/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 50 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 6 × 25 = 150,
    21/6 = 21 × 25/6 × 25 = 525/150
  3. Likewise, for the 2nd fraction, since 50 × 3 = 150,
    90/50 = 90 × 3/50 × 3 = 270/150
  4. Subtract the two like fractions:
    525/150 - 270/150 = 525 - 270/150 = 255/150
  5. After reducing the fraction, the answer is 17/10
  6. In mixed form: 17/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com