Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/15 and 45/63

8/15 + 45/63 is 131/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 15 × 21 = 315,
    8/15 = 8 × 21/15 × 21 = 168/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    45/63 = 45 × 5/63 × 5 = 225/315
  4. Add the two like fractions:
    168/315 + 225/315 = 168 + 225/315 = 393/315
  5. 393/315 simplified gives 131/105
  6. So, 8/15 + 45/63 = 131/105
    In mixed form: 126/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com