Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/9 from 45/15

1st number: 3 0/15, 2nd number: 7/9

45/15 - 7/9 is 20/9.

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,
    45/15 = 45 × 3/15 × 3 = 135/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    7/9 = 7 × 5/9 × 5 = 35/45
  4. Subtract the two fractions:
    135/45 - 35/45 = 135 - 35/45 = 100/45
  5. After reducing the fraction, the answer is 20/9
  6. In mixed form: 22/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com