Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/72 from 2/5

2/5 - 4/72 is 31/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 5 × 72 = 360,
    2/5 = 2 × 72/5 × 72 = 144/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    4/72 = 4 × 5/72 × 5 = 20/360
  4. Subtract the two like fractions:
    144/360 - 20/360 = 144 - 20/360 = 124/360
  5. After reducing the fraction, the answer is 31/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com