Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/48 from 84/18

1st number: 4 12/18, 2nd number: 21/48

84/18 - 21/48 is 203/48.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 48 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 18 × 8 = 144,
    84/18 = 84 × 8/18 × 8 = 672/144
  3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
    21/48 = 21 × 3/48 × 3 = 63/144
  4. Subtract the two like fractions:
    672/144 - 63/144 = 672 - 63/144 = 609/144
  5. After reducing the fraction, the answer is 203/48
  6. In mixed form: 411/48

MathStep (Works offline)

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

Related:

© everydaycalculation.com