Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/6 from 20/80

1st number: 20/80, 2nd number: 11 4/6

20/80 - 70/6 is -137/12.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    20/80 = 20 × 3/80 × 3 = 60/240
  3. Likewise, for the 2nd fraction, since 6 × 40 = 240,
    70/6 = 70 × 40/6 × 40 = 2800/240
  4. Subtract the two like fractions:
    60/240 - 2800/240 = 60 - 2800/240 = -2740/240
  5. After reducing the fraction, the answer is -137/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com