Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/10 from 8/72

8/72 - 4/10 is -13/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 10 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    8/72 = 8 × 5/72 × 5 = 40/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    4/10 = 4 × 36/10 × 36 = 144/360
  4. Subtract the two like fractions:
    40/360 - 144/360 = 40 - 144/360 = -104/360
  5. After reducing the fraction, the answer is -13/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com