Add 84/72 and 8/27
1st number: 1 12/72, 2nd number: 8/27
84/72 + 8/27 is 79/54.
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,
8/27 = 8 × 8/27 × 8 = 64/216 - Add the two like fractions:
252/216 + 64/216 = 252 + 64/216 = 316/216 - 316/216 simplified gives 79/54
- So, 84/72 + 8/27 = 79/54
In mixed form: 125/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+16/27 84/72+8/54 84/72+24/27 84/72+8/81 84/72+40/27 84/72+56/27