Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/21 and 56/30

1st number: 3/21, 2nd number: 1 26/30

3/21 + 56/30 is 211/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210
  2. For the 1st fraction, since 21 × 10 = 210,
    3/21 = 3 × 10/21 × 10 = 30/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    56/30 = 56 × 7/30 × 7 = 392/210
  4. Add the two fractions:
    30/210 + 392/210 = 30 + 392/210 = 422/210
  5. 422/210 simplified gives 211/105
  6. So, 3/21 + 56/30 = 211/105
    In mixed form: 21/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com