Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/7 from 28/9

1st number: 3 1/9, 2nd number: 1 2/7

28/9 - 9/7 is 115/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 7 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    28/9 = 28 × 7/9 × 7 = 196/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    9/7 = 9 × 9/7 × 9 = 81/63
  4. Subtract the two like fractions:
    196/63 - 81/63 = 196 - 81/63 = 115/63
  5. In mixed form: 152/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com