Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/12 from 70/54

1st number: 1 16/54, 2nd number: 1 3/12

70/54 - 15/12 is 5/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 12 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 54 × 2 = 108,
    70/54 = 70 × 2/54 × 2 = 140/108
  3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
    15/12 = 15 × 9/12 × 9 = 135/108
  4. Subtract the two like fractions:
    140/108 - 135/108 = 140 - 135/108 = 5/108

MathStep (Works offline)

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

Related:

© everydaycalculation.com