Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/63 from 98/54

1st number: 1 44/54, 2nd number: 20/63

98/54 - 20/63 is 283/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 63 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    98/54 = 98 × 7/54 × 7 = 686/378
  3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
    20/63 = 20 × 6/63 × 6 = 120/378
  4. Subtract the two like fractions:
    686/378 - 120/378 = 686 - 120/378 = 566/378
  5. After reducing the fraction, the answer is 283/189
  6. In mixed form: 194/189

MathStep (Works offline)

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

Related:

© everydaycalculation.com