Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/27 from 4/63

1st number: 4/63, 2nd number: 1 3/27

4/63 - 30/27 is -22/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 27 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 63 × 3 = 189,
    4/63 = 4 × 3/63 × 3 = 12/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    30/27 = 30 × 7/27 × 7 = 210/189
  4. Subtract the two like fractions:
    12/189 - 210/189 = 12 - 210/189 = -198/189
  5. After reducing the fraction, the answer is -22/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com