Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 1/10 from 21/4

1st number: 5 1/4, 2nd number: 1/10

21/4 - 1/10 is 103/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    21/4 = 21 × 5/4 × 5 = 105/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    1/10 = 1 × 2/10 × 2 = 2/20
  4. Subtract the two like fractions:
    105/20 - 2/20 = 105 - 2/20 = 103/20
  5. In mixed form: 53/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com