Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/7 from 2/75

1st number: 2/75, 2nd number: 3 0/7

2/75 - 21/7 is -223/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 7 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 75 × 7 = 525,
    2/75 = 2 × 7/75 × 7 = 14/525
  3. Likewise, for the 2nd fraction, since 7 × 75 = 525,
    21/7 = 21 × 75/7 × 75 = 1575/525
  4. Subtract the two like fractions:
    14/525 - 1575/525 = 14 - 1575/525 = -1561/525
  5. After reducing the fraction, the answer is -223/75

MathStep (Works offline)

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

Related:

© everydaycalculation.com