Add 4/27 and 84/72
1st number: 4/27, 2nd number: 1 12/72
4/27 + 84/72 is 71/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
4/27 = 4 × 8/27 × 8 = 32/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
84/72 = 84 × 3/72 × 3 = 252/216 - Add the two like fractions:
32/216 + 252/216 = 32 + 252/216 = 284/216 - 284/216 simplified gives 71/54
- So, 4/27 + 84/72 = 71/54
In mixed form: 117/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/27+84/72 4/54+84/72 12/27+84/72 4/81+84/72 20/27+84/72 28/27+84/72