Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/12 from 40/75

1st number: 40/75, 2nd number: 5 10/12

40/75 - 70/12 is -53/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 12 is 300
  2. For the 1st fraction, since 75 × 4 = 300,
    40/75 = 40 × 4/75 × 4 = 160/300
  3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
    70/12 = 70 × 25/12 × 25 = 1750/300
  4. Subtract the two fractions:
    160/300 - 1750/300 = 160 - 1750/300 = -1590/300
  5. After reducing the fraction, the answer is -53/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com