Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/63 and 10/8

1st number: 21/63, 2nd number: 1 2/8

21/63 + 10/8 is 19/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 8 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 63 × 8 = 504,
    21/63 = 21 × 8/63 × 8 = 168/504
  3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
    10/8 = 10 × 63/8 × 63 = 630/504
  4. Add the two like fractions:
    168/504 + 630/504 = 168 + 630/504 = 798/504
  5. 798/504 simplified gives 19/12
  6. So, 21/63 + 10/8 = 19/12
    In mixed form: 17/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com