Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/3 from 42/18

1st number: 2 6/18, 2nd number: 3 0/3

42/18 - 9/3 is -2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 3 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 18 × 1 = 18,
    42/18 = 42 × 1/18 × 1 = 42/18
  3. Likewise, for the 2nd fraction, since 3 × 6 = 18,
    9/3 = 9 × 6/3 × 6 = 54/18
  4. Subtract the two like fractions:
    42/18 - 54/18 = 42 - 54/18 = -12/18
  5. After reducing the fraction, the answer is -2/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com