Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/9 from 15/7

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

15/7 - 10/9 is 65/63.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    15/7 = 15 × 9/7 × 9 = 135/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    10/9 = 10 × 7/9 × 7 = 70/63
  4. Subtract the two like fractions:
    135/63 - 70/63 = 135 - 70/63 = 65/63
  5. In mixed form: 12/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com