Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/12 and 63/15

1st number: 9/12, 2nd number: 4 3/15

9/12 + 63/15 is 99/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    9/12 = 9 × 5/12 × 5 = 45/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    63/15 = 63 × 4/15 × 4 = 252/60
  4. Add the two like fractions:
    45/60 + 252/60 = 45 + 252/60 = 297/60
  5. 297/60 simplified gives 99/20
  6. So, 9/12 + 63/15 = 99/20
    In mixed form: 419/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com