Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/7 from 3/27

3/27 - 4/7 is -29/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 7 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    3/27 = 3 × 7/27 × 7 = 21/189
  3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
    4/7 = 4 × 27/7 × 27 = 108/189
  4. Subtract the two like fractions:
    21/189 - 108/189 = 21 - 108/189 = -87/189
  5. After reducing the fraction, the answer is -29/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com