Add 24/84 and 84/72
1st number: 24/84, 2nd number: 1 12/72
24/84 + 84/72 is 61/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
24/84 = 24 × 6/84 × 6 = 144/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
84/72 = 84 × 7/72 × 7 = 588/504 - Add the two like fractions:
144/504 + 588/504 = 144 + 588/504 = 732/504 - 732/504 simplified gives 61/42
- So, 24/84 + 84/72 = 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: 48/84+84/72 72/84+84/72