Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 7/9 from 28/10

1st number: 2 8/10, 2nd number: 7/9

28/10 - 7/9 is 91/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 9 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    28/10 = 28 × 9/10 × 9 = 252/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    7/9 = 7 × 10/9 × 10 = 70/90
  4. Subtract the two fractions:
    252/90 - 70/90 = 252 - 70/90 = 182/90
  5. After reducing the fraction, the answer is 91/45
  6. In mixed form: 21/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com