Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/72 from 10/15

10/15 - 70/72 is -11/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 15 × 24 = 360,
    10/15 = 10 × 24/15 × 24 = 240/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    70/72 = 70 × 5/72 × 5 = 350/360
  4. Subtract the two like fractions:
    240/360 - 350/360 = 240 - 350/360 = -110/360
  5. After reducing the fraction, the answer is -11/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com