Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/63 and 14/5

1st number: 21/63, 2nd number: 2 4/5

21/63 + 14/5 is 47/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 5 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    21/63 = 21 × 5/63 × 5 = 105/315
  3. Likewise, for the 2nd fraction, since 5 × 63 = 315,
    14/5 = 14 × 63/5 × 63 = 882/315
  4. Add the two like fractions:
    105/315 + 882/315 = 105 + 882/315 = 987/315
  5. 987/315 simplified gives 47/15
  6. So, 21/63 + 14/5 = 47/15
    In mixed form: 32/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com