Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 98/27 from 45/63

1st number: 45/63, 2nd number: 3 17/27

45/63 - 98/27 is -551/189.

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,
    45/63 = 45 × 3/63 × 3 = 135/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    98/27 = 98 × 7/27 × 7 = 686/189
  4. Subtract the two like fractions:
    135/189 - 686/189 = 135 - 686/189 = -551/189

MathStep (Works offline)

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

Related:

© everydaycalculation.com