Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/25 from 30/28

1st number: 1 2/28, 2nd number: 1 5/25

30/28 - 30/25 is -9/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 25 is 700

    Next, find the equivalent fraction of both fractional numbers with denominator 700
  2. For the 1st fraction, since 28 × 25 = 700,
    30/28 = 30 × 25/28 × 25 = 750/700
  3. Likewise, for the 2nd fraction, since 25 × 28 = 700,
    30/25 = 30 × 28/25 × 28 = 840/700
  4. Subtract the two like fractions:
    750/700 - 840/700 = 750 - 840/700 = -90/700
  5. After reducing the fraction, the answer is -9/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com