Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 50/42 from 42/30

1st number: 1 12/30, 2nd number: 1 8/42

42/30 - 50/42 is 22/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    42/30 = 42 × 7/30 × 7 = 294/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    50/42 = 50 × 5/42 × 5 = 250/210
  4. Subtract the two like fractions:
    294/210 - 250/210 = 294 - 250/210 = 44/210
  5. After reducing the fraction, the answer is 22/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com