Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 30/84 from 10/54

10/54 - 30/84 is -65/378.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 84 is 756
  2. For the 1st fraction, since 54 × 14 = 756,
    10/54 = 10 × 14/54 × 14 = 140/756
  3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
    30/84 = 30 × 9/84 × 9 = 270/756
  4. Subtract the two fractions:
    140/756 - 270/756 = 140 - 270/756 = -130/756
  5. After reducing the fraction, the answer is -65/378

MathStep (Works offline)

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

Related:

© everydaycalculation.com