Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/10 from 2/5

2/5 - 9/10 is -1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 10 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 5 × 2 = 10,
    2/5 = 2 × 2/5 × 2 = 4/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    9/10 = 9 × 1/10 × 1 = 9/10
  4. Subtract the two like fractions:
    4/10 - 9/10 = 4 - 9/10 = -5/10
  5. After reducing the fraction, the answer is -1/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com