Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/84 from 49/25

1st number: 1 24/25, 2nd number: 21/84

49/25 - 21/84 is 171/100.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 84 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 25 × 84 = 2100,
    49/25 = 49 × 84/25 × 84 = 4116/2100
  3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
    21/84 = 21 × 25/84 × 25 = 525/2100
  4. Subtract the two like fractions:
    4116/2100 - 525/2100 = 4116 - 525/2100 = 3591/2100
  5. After reducing the fraction, the answer is 171/100
  6. In mixed form: 171/100

MathStep (Works offline)

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

Related:

© everydaycalculation.com