Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/18 from 14/5

1st number: 2 4/5, 2nd number: 1 3/18

14/5 - 21/18 is 49/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    14/5 = 14 × 18/5 × 18 = 252/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    21/18 = 21 × 5/18 × 5 = 105/90
  4. Subtract the two like fractions:
    252/90 - 105/90 = 252 - 105/90 = 147/90
  5. After reducing the fraction, the answer is 49/30
  6. In mixed form: 119/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com