Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 63/9 from 28/10

1st number: 2 8/10, 2nd number: 7 0/9

28/10 - 63/9 is -21/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    63/9 = 63 × 10/9 × 10 = 630/90
  4. Subtract the two like fractions:
    252/90 - 630/90 = 252 - 630/90 = -378/90
  5. After reducing the fraction, the answer is -21/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com