Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 70/54 from 30/18

1st number: 1 12/18, 2nd number: 1 16/54

30/18 - 70/54 is 10/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 54 is 54
  2. For the 1st fraction, since 18 × 3 = 54,
    30/18 = 30 × 3/18 × 3 = 90/54
  3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
    70/54 = 70 × 1/54 × 1 = 70/54
  4. Subtract the two fractions:
    90/54 - 70/54 = 90 - 70/54 = 20/54
  5. After reducing the fraction, the answer is 10/27

MathStep (Works offline)

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

Related:

© everydaycalculation.com