Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/21 and 3/30

1st number: 4 0/21, 2nd number: 3/30

84/21 + 3/30 is 41/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    84/21 = 84 × 10/21 × 10 = 840/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    3/30 = 3 × 7/30 × 7 = 21/210
  4. Add the two like fractions:
    840/210 + 21/210 = 840 + 21/210 = 861/210
  5. 861/210 simplified gives 41/10
  6. So, 84/21 + 3/30 = 41/10
    In mixed form: 41/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com