Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/15 from 63/20

1st number: 3 3/20, 2nd number: 9/15

63/20 - 9/15 is 51/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    63/20 = 63 × 3/20 × 3 = 189/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    9/15 = 9 × 4/15 × 4 = 36/60
  4. Subtract the two like fractions:
    189/60 - 36/60 = 189 - 36/60 = 153/60
  5. After reducing the fraction, the answer is 51/20
  6. In mixed form: 211/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com