Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/18 from 50/42

1st number: 1 8/42, 2nd number: 3/18

50/42 - 3/18 is 43/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    50/42 = 50 × 3/42 × 3 = 150/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    3/18 = 3 × 7/18 × 7 = 21/126
  4. Subtract the two fractions:
    150/126 - 21/126 = 150 - 21/126 = 129/126
  5. After reducing the fraction, the answer is 43/42
  6. In mixed form: 11/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com