Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/9 from 28/15

1st number: 1 13/15, 2nd number: 7 7/9

28/15 - 70/9 is -266/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 15 × 3 = 45,
    28/15 = 28 × 3/15 × 3 = 84/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    70/9 = 70 × 5/9 × 5 = 350/45
  4. Subtract the two like fractions:
    84/45 - 350/45 = 84 - 350/45 = -266/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com