Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 18/75 from 42/2

1st number: 21 0/2, 2nd number: 18/75

42/2 - 18/75 is 519/25.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 75 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 2 × 75 = 150,
    42/2 = 42 × 75/2 × 75 = 3150/150
  3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
    18/75 = 18 × 2/75 × 2 = 36/150
  4. Subtract the two like fractions:
    3150/150 - 36/150 = 3150 - 36/150 = 3114/150
  5. After reducing the fraction, the answer is 519/25
  6. In mixed form: 2019/25

MathStep (Works offline)

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

Related:

© everydaycalculation.com