Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/28 from 90/10

1st number: 9 0/10, 2nd number: 3/28

90/10 - 3/28 is 249/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 10 × 14 = 140,
    90/10 = 90 × 14/10 × 14 = 1260/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    3/28 = 3 × 5/28 × 5 = 15/140
  4. Subtract the two like fractions:
    1260/140 - 15/140 = 1260 - 15/140 = 1245/140
  5. After reducing the fraction, the answer is 249/28
  6. In mixed form: 825/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com