Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/63 from 21/5

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

21/5 - 5/63 is 1298/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 5 × 63 = 315,
    21/5 = 21 × 63/5 × 63 = 1323/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    5/63 = 5 × 5/63 × 5 = 25/315
  4. Subtract the two like fractions:
    1323/315 - 25/315 = 1323 - 25/315 = 1298/315
  5. In mixed form: 438/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com