Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/8 from 63/9

1st number: 7 0/9, 2nd number: 2 4/8

63/9 - 20/8 is 9/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    63/9 = 63 × 8/9 × 8 = 504/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    20/8 = 20 × 9/8 × 9 = 180/72
  4. Subtract the two like fractions:
    504/72 - 180/72 = 504 - 180/72 = 324/72
  5. After reducing the fraction, the answer is 9/2
  6. In mixed form: 41/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com