Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 25/7 from 1/28

1st number: 1/28, 2nd number: 3 4/7

1/28 - 25/7 is -99/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 28 × 1 = 28,
    1/28 = 1 × 1/28 × 1 = 1/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    25/7 = 25 × 4/7 × 4 = 100/28
  4. Subtract the two like fractions:
    1/28 - 100/28 = 1 - 100/28 = -99/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com