Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/27 from 15/7

1st number: 2 1/7, 2nd number: 3/27

15/7 - 3/27 is 128/63.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 7 × 27 = 189,
    15/7 = 15 × 27/7 × 27 = 405/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    3/27 = 3 × 7/27 × 7 = 21/189
  4. Subtract the two like fractions:
    405/189 - 21/189 = 405 - 21/189 = 384/189
  5. After reducing the fraction, the answer is 128/63
  6. In mixed form: 22/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com