Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/42 from 42/5

1st number: 8 2/5, 2nd number: 3/42

42/5 - 3/42 is 583/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 5 × 42 = 210,
    42/5 = 42 × 42/5 × 42 = 1764/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    3/42 = 3 × 5/42 × 5 = 15/210
  4. Subtract the two like fractions:
    1764/210 - 15/210 = 1764 - 15/210 = 1749/210
  5. After reducing the fraction, the answer is 583/70
  6. In mixed form: 823/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com