Add 30/27 and 80/12
1st number: 1 3/27, 2nd number: 6 8/12
30/27 + 80/12 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
80/12 = 80 × 9/12 × 9 = 720/108 - Add the two like fractions:
120/108 + 720/108 = 120 + 720/108 = 840/108 - 840/108 simplified gives 70/9
- So, 30/27 + 80/12 = 70/9
In mixed form: 77/9
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