Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 84/7 from 7/2

1st number: 3 1/2, 2nd number: 12 0/7

7/2 - 84/7 is -17/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 7 is 14

    Next, find the equivalent fraction of both fractional numbers with denominator 14
  2. For the 1st fraction, since 2 × 7 = 14,
    7/2 = 7 × 7/2 × 7 = 49/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    84/7 = 84 × 2/7 × 2 = 168/14
  4. Subtract the two like fractions:
    49/14 - 168/14 = 49 - 168/14 = -119/14
  5. After reducing the fraction, the answer is -17/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com