Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 21/28 from 36/2

1st number: 18 0/2, 2nd number: 21/28

36/2 - 21/28 is 69/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 28 is 28
  2. For the 1st fraction, since 2 × 14 = 28,
    36/2 = 36 × 14/2 × 14 = 504/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    21/28 = 21 × 1/28 × 1 = 21/28
  4. Subtract the two fractions:
    504/28 - 21/28 = 504 - 21/28 = 483/28
  5. After reducing the fraction, the answer is 69/4
  6. In mixed form: 171/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com