Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/80 from 28/3

1st number: 9 1/3, 2nd number: 42/80

28/3 - 42/80 is 1057/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 3 × 80 = 240,
    28/3 = 28 × 80/3 × 80 = 2240/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    42/80 = 42 × 3/80 × 3 = 126/240
  4. Subtract the two like fractions:
    2240/240 - 126/240 = 2240 - 126/240 = 2114/240
  5. After reducing the fraction, the answer is 1057/120
  6. In mixed form: 897/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com