Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/63 from 84/21

1st number: 4 0/21, 2nd number: 5/63

84/21 - 5/63 is 247/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 63 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    84/21 = 84 × 3/21 × 3 = 252/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    5/63 = 5 × 1/63 × 1 = 5/63
  4. Subtract the two like fractions:
    252/63 - 5/63 = 252 - 5/63 = 247/63
  5. In mixed form: 358/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com