Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/75 from 21/4

1st number: 5 1/4, 2nd number: 70/75

21/4 - 70/75 is 259/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 75 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 4 × 75 = 300,
    21/4 = 21 × 75/4 × 75 = 1575/300
  3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
    70/75 = 70 × 4/75 × 4 = 280/300
  4. Subtract the two like fractions:
    1575/300 - 280/300 = 1575 - 280/300 = 1295/300
  5. After reducing the fraction, the answer is 259/60
  6. In mixed form: 419/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com