Add 30/27 and 12/72
1st number: 1 3/27, 2nd number: 12/72
30/27 + 12/72 is 23/18.
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,
30/27 = 30 × 8/27 × 8 = 240/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
12/72 = 12 × 3/72 × 3 = 36/216 - Add the two like fractions:
240/216 + 36/216 = 240 + 36/216 = 276/216 - 276/216 simplified gives 23/18
- So, 30/27 + 12/72 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27+12/72 30/27+24/72 30/54+12/72 90/27+12/72 30/27+36/72 30/81+12/72 30/27+60/72 30/27+84/72