Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 6/90 from 4/28

4/28 - 6/90 is 8/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    4/28 = 4 × 45/28 × 45 = 180/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    6/90 = 6 × 14/90 × 14 = 84/1260
  4. Subtract the two fractions:
    180/1260 - 84/1260 = 180 - 84/1260 = 96/1260
  5. After reducing the fraction, the answer is 8/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com