Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 28/80 from 28/12

1st number: 2 4/12, 2nd number: 28/80

28/12 - 28/80 is 119/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    28/12 = 28 × 20/12 × 20 = 560/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    28/80 = 28 × 3/80 × 3 = 84/240
  4. Subtract the two like fractions:
    560/240 - 84/240 = 560 - 84/240 = 476/240
  5. After reducing the fraction, the answer is 119/60
  6. In mixed form: 159/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com