Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 27/80 from 42/6

1st number: 7 0/6, 2nd number: 27/80

42/6 - 27/80 is 533/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 6 × 40 = 240,
    42/6 = 42 × 40/6 × 40 = 1680/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    27/80 = 27 × 3/80 × 3 = 81/240
  4. Subtract the two like fractions:
    1680/240 - 81/240 = 1680 - 81/240 = 1599/240
  5. After reducing the fraction, the answer is 533/80
  6. In mixed form: 653/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com