Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 28/80 from 40/14

1st number: 2 12/14, 2nd number: 28/80

40/14 - 28/80 is 351/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    40/14 = 40 × 40/14 × 40 = 1600/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    28/80 = 28 × 7/80 × 7 = 196/560
  4. Subtract the two like fractions:
    1600/560 - 196/560 = 1600 - 196/560 = 1404/560
  5. After reducing the fraction, the answer is 351/140
  6. In mixed form: 271/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com