Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/9 from 40/15

1st number: 2 10/15, 2nd number: 1 3/9

40/15 - 12/9 is 4/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    40/15 = 40 × 3/15 × 3 = 120/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    12/9 = 12 × 5/9 × 5 = 60/45
  4. Subtract the two fractions:
    120/45 - 60/45 = 120 - 60/45 = 60/45
  5. After reducing the fraction, the answer is 4/3
  6. In mixed form: 11/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com