Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/40 from 84/14

1st number: 6 0/14, 2nd number: 1 2/40

84/14 - 42/40 is 99/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 14 × 20 = 280,
    84/14 = 84 × 20/14 × 20 = 1680/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    42/40 = 42 × 7/40 × 7 = 294/280
  4. Subtract the two like fractions:
    1680/280 - 294/280 = 1680 - 294/280 = 1386/280
  5. After reducing the fraction, the answer is 99/20
  6. In mixed form: 419/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com