Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/30 and 50/63

21/30 + 50/63 is 941/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 63 is 630
  2. For the 1st fraction, since 30 × 21 = 630,
    21/30 = 21 × 21/30 × 21 = 441/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    50/63 = 50 × 10/63 × 10 = 500/630
  4. Add the two fractions:
    441/630 + 500/630 = 441 + 500/630 = 941/630
  5. So, 21/30 + 50/63 = 941/630
    In mixed form: 1311/630

MathStep (Works offline)

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

Related:

© everydaycalculation.com