Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 24/84 and 21/18

1st number: 24/84, 2nd number: 1 3/18

24/84 + 21/18 is 61/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    24/84 = 24 × 3/84 × 3 = 72/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    21/18 = 21 × 14/18 × 14 = 294/252
  4. Add the two like fractions:
    72/252 + 294/252 = 72 + 294/252 = 366/252
  5. 366/252 simplified gives 61/42
  6. So, 24/84 + 21/18 = 61/42
    In mixed form: 119/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com