Add 84/72 and 24/27
1st number: 1 12/72, 2nd number: 24/27
84/72 + 24/27 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
84/72 = 84 × 3/72 × 3 = 252/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
24/27 = 24 × 8/27 × 8 = 192/216 - Add the two like fractions:
252/216 + 192/216 = 252 + 192/216 = 444/216 - 444/216 simplified gives 37/18
- So, 84/72 + 24/27 = 37/18
In mixed form: 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+48/27 84/72+24/54 84/72+72/27 84/72+24/81