Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/6 and 7/63

1st number: 3 3/6, 2nd number: 7/63

21/6 + 7/63 is 65/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 6 × 21 = 126,
    21/6 = 21 × 21/6 × 21 = 441/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    7/63 = 7 × 2/63 × 2 = 14/126
  4. Add the two like fractions:
    441/126 + 14/126 = 441 + 14/126 = 455/126
  5. 455/126 simplified gives 65/18
  6. So, 21/6 + 7/63 = 65/18
    In mixed form: 311/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com